| 804 | Animals (MeSH) |
| 364 | Humans (MeSH) |
| 294 | Male (MeSH) |
| 294 | Female (MeSH) |
| 212 | Phylogeny (MeSH) |
| 101 | Biological Evolution (MeSH) |
| 100 | Ecosystem (MeSH) |
| 98 | France (MeSH) |
| 86 | Species Specificity (MeSH) |
| 75 | Biodiversity (MeSH) |
| 74 | Middle Aged (MeSH) |
| 61 | Fossils (MeSH) |
| 57 | Sequence Analysis, DNA (MeSH) |
| 56 | Mice (MeSH) |
| 56 | Aged (MeSH) |
| 55 | Evolution, Molecular (MeSH) |
| 53 | Molecular Sequence Data (MeSH) |
| 52 | Time Factors (MeSH) |
| 52 | History, 18th Century (MeSH) |
| 48 | Adult (MeSH) |
| 46 | Animal Distribution (MeSH) |
| 45 | Europe (MeSH) |
| 39 | Models, Biological (MeSH) |
| 33 | DNA, Mitochondrial (genetics) |
| 33 | Base Sequence (MeSH) |
| 32 | Body Size (MeSH) |
| 32 | Bayes Theorem (MeSH) |
| 32 | Animal Structures (anatomy & histology) |
| 31 | Organ Size (MeSH) |
| 30 | Treatment Outcome (MeSH) |
| 30 | Phenotype (MeSH) |
| 30 | Models, Genetic (MeSH) |
| 29 | Geography (MeSH) |
| 28 | Seasons (MeSH) |
| 27 | Conservation of Natural Resources (MeSH) |
| 27 | Animal Structures (growth & development) |
| 26 | Rats (MeSH) |
| 24 | Population Dynamics (MeSH) |
| 24 | Plasmodium falciparum (drug effects) |
| 23 | History, Ancient (MeSH) |
| 23 | Birds (physiology) |
| 22 | Natural History (history) |
| 21 | Risk Factors (MeSH) |
| 21 | Madagascar (MeSH) |
| 21 | History, 19th Century (MeSH) |
| 21 | Genetic Variation (MeSH) |
| 21 | Cell Line, Tumor (MeSH) |
| 20 | New Caledonia (MeSH) |
| 20 | Fossils (anatomy & histology) |
| 20 | Brazil (MeSH) |
| 20 | Biomechanical Phenomena (MeSH) |
| 19 | Sequence Alignment (MeSH) |
| 19 | Reproduction (MeSH) |
| 19 | Molecular Structure (MeSH) |
| 19 | Environment (MeSH) |
| 19 | Ecology (MeSH) |
| 18 | Antimalarials (pharmacology) |
| 17 | Temperature (MeSH) |
| 17 | Likelihood Functions (MeSH) |
| 17 | Environmental Monitoring (methods) |
| 17 | Cell Line (MeSH) |
| 17 | Arthropods (classification) |
| 17 | Amino Acid Sequence (MeSH) |
| 16 | Rodent Diseases (parasitology) |
| 16 | Prospective Studies (MeSH) |
| 16 | Archaeology (MeSH) |
| 15 | Phylogeography (MeSH) |
| 15 | Indian Ocean (MeSH) |
| 15 | History, 20th Century (MeSH) |
| 15 | Follow-Up Studies (MeSH) |
| 15 | Environmental Monitoring (MeSH) |
| 15 | Antimalarials (chemistry) |
| 14 | Plant Extracts (pharmacology) |
| 14 | Locomotion (physiology) |
| 14 | Intestinal Diseases, Parasitic (parasitology) |
| 14 | Forests (MeSH) |
| 14 | Feeding Behavior (MeSH) |
| 14 | Dose-Response Relationship, Drug (MeSH) |
| 14 | Cell Nucleus (genetics) |
| 14 | Africa (MeSH) |
| 13 | Population Density (MeSH) |
| 13 | Paleontology (MeSH) |
| 13 | Lizards (anatomy & histology) |
| 13 | Intestinal Diseases, Parasitic (veterinary) |
| 13 | Hybridization, Genetic (MeSH) |
| 13 | Genetics, Population (MeSH) |
| 13 | Climate Change (MeSH) |
| 13 | Birds (MeSH) |
| 12 | Trichostrongyloidea (classification) |
| 12 | Selection, Genetic (MeSH) |
| 12 | Retrospective Studies (MeSH) |
| 12 | Recurrence (MeSH) |
| 12 | Rats, Wistar (MeSH) |
| 12 | Prognosis (MeSH) |
| 12 | Liver (drug effects) |
| 12 | Italy (MeSH) |
| 12 | Hydrolysis (MeSH) |
| 12 | Genetic Speciation (MeSH) |
| 12 | Extinction, Biological (MeSH) |
| 12 | Conservation of Natural Resources (methods) |
| 12 | Computer Simulation (MeSH) |
| 12 | Climate (MeSH) |
| 12 | Biology (history) |
| 12 | Animal Migration (MeSH) |
| 12 | Adolescent (MeSH) |
| 12 | Adenosine Triphosphatases (metabolism) |
| 11 | Wings, Animal (anatomy & histology) |
| 11 | Water Pollutants, Chemical (analysis) |
| 11 | Trichostrongyloidea (anatomy & histology) |
| 11 | Skull (anatomy & histology) |
| 11 | Randomized Controlled Trials as Topic (MeSH) |
| 11 | Philosophy (history) |
| 11 | Microscopy, Electron, Scanning (MeSH) |
| 11 | Microcystins (toxicity) |
| 11 | Mediterranean Sea (MeSH) |
| 11 | Kinetics (MeSH) |
| 11 | Fish Diseases (parasitology) |
| 11 | Coronary Angiography (MeSH) |
| 11 | Coleoptera (MeSH) |
| 11 | Classification (MeSH) |
| 11 | Cattle (MeSH) |
| 11 | Arthropods (anatomy & histology) |
| 11 | Altitude (MeSH) |
| 10 | Tooth (anatomy & histology) |
| 10 | Reproducibility of Results (MeSH) |
| 10 | RNA, Ribosomal, 16S (genetics) |
| 10 | Prevalence (MeSH) |
| 10 | Morocco (MeSH) |
| 10 | Locomotion (MeSH) |
| 10 | Islands (MeSH) |
| 10 | Erythrocytes (parasitology) |
| 10 | Disease Models, Animal (MeSH) |
| 10 | DNA (genetics) |
| 10 | Cell Survival (drug effects) |
| 10 | Cell Proliferation (drug effects) |
| 10 | Asia (MeSH) |
| 10 | Arthropods (growth & development) |
| 9 | Young Adult (MeSH) |
| 9 | Symbiosis (MeSH) |
| 9 | Sex Characteristics (MeSH) |
| 9 | Paris (MeSH) |
| 9 | Pacific Ocean (MeSH) |
| 9 | Muridae (parasitology) |
| 9 | Molecular Conformation (MeSH) |
| 9 | Models, Statistical (MeSH) |
| 9 | Magnetic Resonance Spectroscopy (MeSH) |
| 9 | Liver (pathology) |
| 9 | Life Cycle Stages (MeSH) |
| 9 | Larva (MeSH) |
| 9 | Host-Parasite Interactions (MeSH) |
| 9 | Gastropoda (classification) |
| 9 | French Guiana (MeSH) |
| 9 | France (epidemiology) |
| 9 | Filariasis (parasitology) |
| 9 | Electrocardiography (MeSH) |
| 9 | DNA, Ribosomal (chemistry) |
| 9 | DNA, Mitochondrial (chemistry) |
| 9 | Cytochromes b (genetics) |
| 9 | Chromatography, High Pressure Liquid (MeSH) |
| 9 | Bone and Bones (anatomy & histology) |
| 9 | Bird Diseases (parasitology) |
| 8 | Wings, Animal (MeSH) |
| 8 | Water Pollutants, Chemical (toxicity) |
| 8 | Vietnam (MeSH) |
| 8 | Tunisia (MeSH) |
| 8 | Tropical Climate (MeSH) |
| 8 | Trichostrongyloidiasis (veterinary) |
| 8 | Trichostrongyloidiasis (parasitology) |
| 8 | Trees (MeSH) |
| 8 | Terminology as Topic (MeSH) |
| 8 | Structure-Activity Relationship (MeSH) |
| 8 | Sequence Homology, Nucleic Acid (MeSH) |
| 8 | Saccharomyces cerevisiae Proteins (metabolism) |
| 8 | Ruminants (genetics) |
| 8 | Proteomics (MeSH) |
| 8 | Principal Component Analysis (MeSH) |
| 8 | Predatory Behavior (MeSH) |
| 8 | Plasmodium falciparum (enzymology) |
| 8 | Plants (MeSH) |
| 8 | Plant Extracts (chemistry) |
| 8 | Passeriformes (genetics) |
| 8 | Nuclear Magnetic Resonance, Biomolecular (MeSH) |
| 8 | Myocardial Infarction (mortality) |
| 8 | Models, Theoretical (MeSH) |
| 8 | Microscopy, Electron, Transmission (MeSH) |
| 8 | Mice, Inbred C57BL (MeSH) |
| 8 | Mammals (MeSH) |
| 8 | Magnetic Resonance Imaging (MeSH) |
| 8 | Intestine, Small (parasitology) |
| 8 | Inhibitory Concentration 50 (MeSH) |
| 8 | Hominidae (physiology) |
| 8 | Heligmosomatoidea (anatomy & histology) |
| 8 | Genotype (MeSH) |
| 8 | Genome (MeSH) |
| 8 | Enzyme Inhibitors (pharmacology) |
| 8 | Electron Transport Complex IV (genetics) |
| 8 | Drug Screening Assays, Antitumor (MeSH) |
| 8 | DNA Primers (MeSH) |
| 8 | DNA (chemistry) |
| 8 | Cyanobacteria (chemistry) |
| 8 | China (MeSH) |
| 8 | Cells, Cultured (MeSH) |
| 8 | Biomass (MeSH) |
| 8 | Angioplasty, Balloon, Coronary (MeSH) |
| 8 | Aged, 80 and over (MeSH) |
| 8 | Age Factors (MeSH) |
| 8 | Adenosine Triphosphate (metabolism) |
| 7 | Transcription, Genetic (MeSH) |
| 7 | Swine (MeSH) |
| 7 | Strongylida Infections (veterinary) |
| 7 | Strongylida Infections (parasitology) |
| 7 | Spectrum Analysis, Raman (MeSH) |
| 7 | South America (MeSH) |
| 7 | South Africa (MeSH) |
| 7 | Signal Transduction (MeSH) |
| 7 | Saccharomyces cerevisiae (metabolism) |
| 7 | RNA, Ribosomal, 28S (genetics) |
| 7 | Polymerase Chain Reaction (MeSH) |
| 7 | Plasmodium falciparum (growth & development) |
| 7 | Plants, Medicinal (chemistry) |
| 7 | Plant Proteins (metabolism) |
| 7 | Plant Leaves (chemistry) |
| 7 | Pigmentation (MeSH) |
| 7 | Peru (MeSH) |
| 7 | Perciformes (parasitology) |
| 7 | Passeriformes (classification) |
| 7 | Parasitic Sensitivity Tests (MeSH) |
| 7 | Oxidation-Reduction (MeSH) |
| 7 | Obesity (metabolism) |
| 7 | Nematoda (anatomy & histology) |
| 7 | Myocardial Infarction (therapy) |
| 7 | Multivariate Analysis (MeSH) |
| 7 | Mice, Inbred BALB C (MeSH) |
| 7 | Mass Spectrometry (MeSH) |
| 7 | Liver (metabolism) |
| 7 | Karyotyping (MeSH) |
| 7 | Intestinal Diseases, Parasitic (epidemiology) |
| 7 | Immunohistochemistry (MeSH) |
| 7 | Imaging, Three-Dimensional (MeSH) |
| 7 | Hydrogen-Ion Concentration (MeSH) |
| 7 | Host Specificity (MeSH) |
| 7 | Hominidae (anatomy & histology) |
| 7 | Hominidae (MeSH) |
| 7 | History, Modern 1601- (MeSH) |
| 7 | History, 21st Century (MeSH) |
| 7 | Hemiptera (classification) |
| 7 | HeLa Cells (MeSH) |
| 7 | Gastropoda (genetics) |
| 7 | Food Chain (MeSH) |
| 7 | Fishes (MeSH) |
| 7 | Diet (MeSH) |
| 7 | Demography (MeSH) |
| 7 | Coleoptera (genetics) |
| 7 | Coleoptera (classification) |
| 7 | Coleoptera (anatomy & histology) |
| 7 | Cohort Studies (MeSH) |
| 7 | Cluster Analysis (MeSH) |
| 7 | Classification (methods) |
| 7 | Butterflies (physiology) |
| 7 | Breeding (MeSH) |
| 7 | Behavior, Animal (MeSH) |
| 7 | Australia (MeSH) |
| 7 | Arthropods (genetics) |
| 7 | Apoptosis (drug effects) |
| 7 | Antimalarials (isolation & purification) |
| 7 | Analysis of Variance (MeSH) |
| 7 | Adaptation, Physiological (MeSH) |
| 7 | Acute Disease (MeSH) |
| 6 | Water (MeSH) |
| 6 | Urochordata (MeSH) |
| 6 | Trichostrongyloidea (isolation & purification) |
| 6 | Tomography, X-Ray Computed (MeSH) |
| 6 | Tandem Mass Spectrometry (MeSH) |
| 6 | Surveys and Questionnaires (MeSH) |
| 6 | Soil Microbiology (MeSH) |
| 6 | Sex Factors (MeSH) |
| 6 | Scorpions (anatomy & histology) |
| 6 | Ruminants (classification) |
| 6 | Risk Assessment (MeSH) |
| 6 | Radiometric Dating (MeSH) |
| 6 | Rabbits (parasitology) |
| 6 | RNA, Ribosomal, 18S (genetics) |
| 6 | Probability (MeSH) |
| 6 | Predictive Value of Tests (MeSH) |
| 6 | Plant Proteins (genetics) |
| 6 | Paleontology (methods) |
| 6 | Outcome Assessment, Health Care (MeSH) |
| 6 | Mycorrhizae (physiology) |
| 6 | Mycorrhizae (MeSH) |
| 6 | Mutation (MeSH) |
| 6 | Models, Molecular (MeSH) |
| 6 | Mice, Knockout (MeSH) |
| 6 | Mediterranean Region (MeSH) |
| 6 | Mammals (anatomy & histology) |
| 6 | Lizards (parasitology) |
| 6 | Lipid Metabolism (MeSH) |
| 6 | Knowledge (MeSH) |
| 6 | Kenya (MeSH) |
| 6 | Introduced Species (MeSH) |
| 6 | Insecta (classification) |
| 6 | Insecta (anatomy & histology) |
| 6 | In Vitro Techniques (MeSH) |
| 6 | Image Processing, Computer-Assisted (MeSH) |
| 6 | Hypothalamus (metabolism) |
| 6 | History, 17th Century (MeSH) |
| 6 | Hindlimb (physiology) |
| 6 | Herbivory (MeSH) |
| 6 | Hemiptera (anatomy & histology) |
| 6 | Heligmosomatoidea (classification) |
| 6 | Geologic Sediments (chemistry) |
| 6 | Genome, Mitochondrial (MeSH) |
| 6 | Gene Expression Regulation, Plant (MeSH) |
| 6 | Gene Expression (MeSH) |
| 6 | Flight, Animal (MeSH) |
| 6 | Endangered Species (MeSH) |
| 6 | Dogs (MeSH) |
| 6 | Disease Progression (MeSH) |
| 6 | Diagnosis, Differential (MeSH) |
| 6 | Dental Enamel (chemistry) |
| 6 | DNA, Ribosomal (genetics) |
| 6 | DNA, Helminth (genetics) |
| 6 | DNA, Bacterial (genetics) |
| 6 | Cytochrome b Group (genetics) |
| 6 | Cyanobacteria (genetics) |
| 6 | Cyanobacteria (MeSH) |
| 6 | Cross-Sectional Studies (MeSH) |
| 6 | Coronary Circulation (MeSH) |
| 6 | Coral Reefs (MeSH) |
| 6 | Child (MeSH) |
| 6 | Cerebral Hemorrhage (physiopathology) |
| 6 | Carbon Isotopes (analysis) |
| 6 | Butterflies (genetics) |
| 6 | Bite Force (MeSH) |
| 6 | Biomarkers (blood) |
| 6 | Arvicolinae (parasitology) |
| 6 | Antihypertensive Agents (therapeutic use) |
| 6 | Alleles (MeSH) |
| 6 | Alkaloids (isolation & purification) |
| 6 | Alkaloids (chemistry) |
| 6 | Agriculture (MeSH) |
| 6 | Adaptation, Biological (MeSH) |
| 5 | Wings, Animal (physiology) |
| 5 | Wetlands (MeSH) |
| 5 | Water Microbiology (MeSH) |
| 5 | Vertebrates (classification) |
| 5 | Vertebral Artery Dissection (diagnosis) |
| 5 | Uterine Cervical Neoplasms (metabolism) |
| 5 | United States (MeSH) |
| 5 | Tumor Cells, Cultured (MeSH) |
| 5 | Tissue Distribution (MeSH) |
| 5 | Statistics, Nonparametric (MeSH) |
| 5 | Spain (MeSH) |
| 5 | Soil (MeSH) |
| 5 | Severity of Illness Index (MeSH) |
| 5 | Sensitivity and Specificity (MeSH) |
| 5 | Scorpions (classification) |
| 5 | Sciuridae (parasitology) |
| 5 | Rodentia (parasitology) |
| 5 | Registries (MeSH) |
| 5 | Reference Standards (MeSH) |
| 5 | Recombinant Proteins (metabolism) |
| 5 | Recombinant Proteins (genetics) |
| 5 | RNA, Messenger (metabolism) |
| 5 | RNA, Messenger (genetics) |
| 5 | Protein Structure, Tertiary (MeSH) |
| 5 | Protein Processing, Post-Translational (MeSH) |
| 5 | Posture (MeSH) |
| 5 | Platelet Aggregation Inhibitors (therapeutic use) |
| 5 | Plasmodium falciparum (genetics) |
| 5 | Percutaneous Coronary Intervention (adverse effects) |
| 5 | Particle Size (MeSH) |
| 5 | Oryzias (metabolism) |
| 5 | Oryzias (MeSH) |
| 5 | Odds Ratio (MeSH) |
| 5 | Nematoda (classification) |
| 5 | Nanocapsules (chemistry) |
| 5 | Museums (MeSH) |
| 5 | Morphogenesis (MeSH) |
| 5 | Models, Chemical (MeSH) |
| 5 | Microscopy, Fluorescence (MeSH) |
| 5 | Microbiota (MeSH) |
| 5 | Microbial Sensitivity Tests (MeSH) |
| 5 | Mice, Transgenic (MeSH) |
| 5 | Metals, Heavy (analysis) |
| 5 | Marine Toxins (toxicity) |
| 5 | Mammals (classification) |
| 5 | Malaria (parasitology) |
| 5 | Malaria (drug therapy) |
| 5 | Linear Models (MeSH) |
| 5 | Light (MeSH) |
| 5 | Larva (growth & development) |
| 5 | Intestines (parasitology) |
| 5 | History, 16th Century (MeSH) |
| 5 | Histones (genetics) |
| 5 | Head (anatomy & histology) |
| 5 | Haplotypes (MeSH) |
| 5 | Geology (MeSH) |
| 5 | Genomics (MeSH) |
| 5 | Genes, Mitochondrial (MeSH) |
| 5 | Gene Flow (MeSH) |
| 5 | Gene Expression Profiling (MeSH) |
| 5 | Gait (MeSH) |
| 5 | Fresh Water (microbiology) |
| 5 | Flavonoids (chemistry) |
| 5 | Fishes (parasitology) |
| 5 | Fisheries (MeSH) |
| 5 | Filarioidea (isolation & purification) |
| 5 | Filarioidea (anatomy & histology) |
| 5 | Ferns (genetics) |
| 5 | Ethiopia (MeSH) |
| 5 | Enzyme Inhibitors (chemistry) |
| 5 | Embryo, Nonmammalian (drug effects) |
| 5 | Dracunculoidea (classification) |
| 5 | Dinoflagellida (chemistry) |
| 5 | DNA, Plant (genetics) |
| 5 | DNA, Chloroplast (genetics) |
| 5 | Cyanobacteria (metabolism) |
| 5 | Chiroptera (parasitology) |
| 5 | Caves (MeSH) |
| 5 | C-Reactive Protein (metabolism) |
| 5 | C-Reactive Protein (analysis) |
| 5 | Brachyura (classification) |
| 5 | Body Weight (MeSH) |
| 5 | Birds (parasitology) |
| 5 | Birds (classification) |
| 5 | Bird Diseases (epidemiology) |
| 5 | Biota (MeSH) |
| 5 | Biodegradation, Environmental (MeSH) |
| 5 | Argentina (MeSH) |
| 5 | Antineoplastic Agents, Phytogenic (pharmacology) |
| 5 | Animals, Domestic (MeSH) |
| 5 | Animal Shells (anatomy & histology) |
| 5 | Angina, Unstable (blood) |
| 5 | Algorithms (MeSH) |
| 5 | Algeria (MeSH) |
| 5 | 5'-Nucleotidase (metabolism) |
| 4 | X-Ray Diffraction (MeSH) |
| 4 | Water Pollutants, Chemical (metabolism) |
| 4 | Water Pollutants, Chemical (chemistry) |
| 4 | Vertebrates (anatomy & histology) |
| 4 | Uterine Cervical Neoplasms (drug therapy) |
| 4 | United Kingdom (MeSH) |
| 4 | Ultraviolet Rays (MeSH) |
| 4 | Ubiquitin (metabolism) |
| 4 | Triterpenes (pharmacology) |
| 4 | Trichostrongylus (isolation & purification) |
| 4 | Trichostrongylosis (parasitology) |
| 4 | Trematode Infections (veterinary) |
| 4 | Trematode Infections (parasitology) |
| 4 | Trematoda (classification) |
| 4 | Transcription Factors (metabolism) |
| 4 | Transcription Factors (genetics) |
| 4 | Trace Elements (analysis) |
| 4 | Tooth (MeSH) |
| 4 | Tail (anatomy & histology) |
| 4 | Survival Analysis (MeSH) |
| 4 | Stereoisomerism (MeSH) |
| 4 | Spirurida Infections (veterinary) |
| 4 | Spirurida Infections (parasitology) |
| 4 | Spectrum Analysis (MeSH) |
| 4 | Spectrometry, Fluorescence (MeSH) |
| 4 | Songbirds (classification) |
| 4 | Social Behavior (MeSH) |
| 4 | Skull (MeSH) |
| 4 | Skin Neoplasms (drug therapy) |
| 4 | Signal Transduction (drug effects) |
| 4 | Seeds (genetics) |
| 4 | Sciuridae (MeSH) |
| 4 | Sample Size (MeSH) |
| 4 | Ruminants (anatomy & histology) |
| 4 | Rodent Diseases (epidemiology) |
| 4 | Rivers (MeSH) |
| 4 | Rhabdiasoidea (classification) |
| 4 | Rhabdiasoidea (anatomy & histology) |
| 4 | Reverse Transcriptase Polymerase Chain Reaction (MeSH) |
| 4 | Reproduction (physiology) |
| 4 | Regression Analysis (MeSH) |
| 4 | Recombinant Fusion Proteins (metabolism) |
| 4 | Radiography (MeSH) |
| 4 | Rabbits (MeSH) |
| 4 | RNA, Ribosomal (genetics) |
| 4 | Quinolines (chemistry) |
| 4 | Protozoan Proteins (MeSH) |
| 4 | Protozoan Infections, Animal (parasitology) |
| 4 | Proteomics (methods) |
| 4 | Proteins (metabolism) |
| 4 | Proportional Hazards Models (MeSH) |
| 4 | Primates (physiology) |
| 4 | Pregnancy (MeSH) |
| 4 | Porifera (chemistry) |
| 4 | Polymorphism, Genetic (MeSH) |
| 4 | Platyhelminths (genetics) |
| 4 | Plants (genetics) |
| 4 | Plant Leaves (metabolism) |
| 4 | Pilot Projects (MeSH) |
| 4 | Photosynthesis (MeSH) |
| 4 | Pesticides (analysis) |
| 4 | Parasitemia (parasitology) |
| 4 | Oxygen Isotopes (analysis) |
| 4 | Organogenesis (MeSH) |
