| 20 | Humans |
| 16 | Female |
| 14 | Male |
| 13 | Egypt |
| 13 | Animals |
| 12 | Adult |
| 9 | Retrospective Studies |
| 7 | Metals, Heavy (analysis) |
| 7 | Adolescent |
| 6 | Middle Aged |
| 6 | Gamma Rays |
| 6 | Environmental Monitoring |
| 6 | Combined Modality Therapy |
| 6 | Cobalt Radioisotopes |
| 6 | Cobalt Radioisotopes (therapeutic use) |
| 6 | Cobalt (analysis) |
| 5 | Water Pollutants, Chemical (toxicity) |
| 5 | Rats |
| 5 | Metals, Heavy (toxicity) |
| 5 | Geologic Sediments (chemistry) |
| 5 | Child |
| 4 | Water Pollutants, Chemical (analysis) |
| 4 | Treatment Outcome |
| 4 | Time Factors |
| 4 | Cobalt (toxicity) |
| 4 | Breast Neoplasms (radiotherapy) |
| 4 | Antineoplastic Combined Chemotherapy Protocols (therapeutic use) |
| 4 | Aged |
| 3 | Young Adult |
| 3 | Tunisia |
| 3 | Tunisia (epidemiology) |
| 3 | Spectrophotometry, Atomic |
| 3 | Risk Factors |
| 3 | Risk Assessment |
| 3 | Rats, Wistar |
| 3 | Radiotherapy Dosage |
| 3 | Radioisotope Teletherapy (adverse effects) |
| 3 | Prenatal Exposure Delayed Effects (chemically induced) |
| 3 | Pregnancy |
| 3 | Nasopharyngeal Neoplasms (radiotherapy) |
| 3 | Kinetics |
| 3 | Industry |
| 3 | Hydrogen-Ion Concentration |
| 3 | Hodgkin Disease (radiotherapy) |
| 3 | Copper (analysis) |
| 3 | Cobalt (pharmacology) |
| 3 | Cobalt (pharmacokinetics) |
| 3 | Cobalt (metabolism) |
| 3 | Cobalt (chemistry) |
| 3 | Bleomycin (administration & dosage) |
| 3 | Analysis of Variance |
| 3 | Amino Acid Sequence |
| 3 | Algeria |
| 2 | X-Ray Diffraction |
| 2 | Water Pollution, Chemical (statistics & numerical data) |
| 2 | Water Microbiology |
| 2 | Viperidae |
| 2 | Viper Venoms (toxicity) |
| 2 | Trace Elements (analysis) |
| 2 | Temperature |
| 2 | Surface Properties |
| 2 | Soil Pollutants (analysis) |
| 2 | Seasons |
| 2 | Radiotherapy, High-Energy |
| 2 | Radiotherapy (methods) |
| 2 | Radiotherapy (adverse effects) |
| 2 | Prenatal Exposure Delayed Effects (metabolism) |
| 2 | Population |
| 2 | Plant Roots (radiation effects) |
| 2 | Plant Leaves (chemistry) |
| 2 | Phylogeny |
| 2 | Oxides (chemistry) |
| 2 | Nickel (chemistry) |
| 2 | Neoplasms, Second Primary (etiology) |
| 2 | Neoplasms (radiotherapy) |
| 2 | Nasopharyngeal Neoplasms (epidemiology) |
| 2 | Morocco |
| 2 | Molecular Sequence Data |
| 2 | Mice |
| 2 | Metals, Heavy (chemistry) |
| 2 | Mediterranean Sea |
| 2 | Manganese (pharmacology) |
| 2 | Manganese (analysis) |
| 2 | Lymph Node Excision |
| 2 | Lead (chemistry) |
| 2 | Lead (analysis) |
| 2 | Iron (analysis) |
| 2 | Hodgkin Disease (drug therapy) |
| 2 | Germination (radiation effects) |
| 2 | Geologic Sediments (analysis) |
| 2 | Follow-Up Studies |
| 2 | Fluorouracil (administration & dosage) |
| 2 | Enzyme Stability |
| 2 | Environmental Pollutants (toxicity) |
| 2 | Environmental Pollutants (pharmacokinetics) |
| 2 | Egypt (epidemiology) |
| 2 | Dose-Response Relationship, Drug |
| 2 | Disease-Free Survival |
| 2 | Developing Countries |
| 2 | Copper (chemistry) |
| 2 | Cobalt (blood) |
| 2 | Chromatography, High Pressure Liquid |
| 2 | Cell Membrane (radiation effects) |
| 2 | Carcinoma, Squamous Cell (surgery) |
| 2 | Carcinoma, Squamous Cell (radiotherapy) |
| 2 | Carcinoma, Squamous Cell (drug therapy) |
| 2 | Carcinoma (radiotherapy) |
| 2 | Calcium (pharmacology) |
| 2 | Calcium (metabolism) |
| 2 | Biodegradation, Environmental |
| 2 | Antioxidants (metabolism) |
| 2 | Antineoplastic Combined Chemotherapy Protocols (adverse effects) |
| 2 | Animals, Suckling |
| 2 | Aldose-Ketose Isomerases (genetics) |
| 2 | Aged, 80 and over |
| 2 | Africa |
| 2 | Administration, Oral |
| 2 | Adenosine Triphosphatases (metabolism) |
| 1 | Zinc (toxicity) |
| 1 | Zinc (pharmacology) |
| 1 | Zinc (metabolism) |
| 1 | Zinc (deficiency) |
| 1 | Zinc (blood) |
| 1 | Zinc (analysis) |
| 1 | Zambia |
| 1 | Yttrium Radioisotopes |
| 1 | Xylosidases (metabolism) |
| 1 | Xylosidases (isolation & purification) |
| 1 | Xylosidases (chemistry) |
| 1 | Xylenes |
| 1 | Xerostomia (etiology) |
| 1 | Xerostomia (epidemiology) |
| 1 | Xeroderma Pigmentosum (complications) |
| 1 | Wind |
| 1 | Wetlands |
| 1 | West Indies |
| 1 | Water |
| 1 | Water Supply |
| 1 | Water Supply (analysis) |
| 1 | Water Pollutants, Chemical (metabolism) |
| 1 | Water Pollutants, Chemical (chemistry) |
| 1 | Water (metabolism) |
| 1 | Water (analysis) |
| 1 | Waste Disposal, Fluid |
| 1 | Viper Venoms (radiation effects) |
| 1 | Viper Venoms (immunology) |
| 1 | Viper Venoms (antagonists & inhibitors) |
| 1 | Viper Venoms (administration & dosage) |
| 1 | Vincristine (adverse effects) |
| 1 | Vinblastine (administration & dosage) |
| 1 | Vibration |
| 1 | Uterine Cervical Neoplasms (therapy) |
| 1 | Uterine Cervical Neoplasms (surgery) |
| 1 | Uterine Cervical Neoplasms (radiotherapy) |
| 1 | Uterine Cervical Neoplasms (pathology) |
| 1 | Uterine Cervical Neoplasms (drug therapy) |
| 1 | Urban Health |
| 1 | Turkey |
| 1 | Triticum (radiation effects) |
| 1 | Triticum (physiology) |
| 1 | Triticum (chemistry) |
| 1 | Triticum (anatomy & histology) |
| 1 | Transportation |
| 1 | Trametes (metabolism) |
| 1 | Trace Elements (blood) |
| 1 | Toxicity Tests, Acute |
| 1 | Tissue Distribution |
| 1 | Tibia (pathology) |
| 1 | Thyroid Gland (radiation effects) |
| 1 | Thyroid Diseases (etiology) |
| 1 | Thymus Plant (chemistry) |
| 1 | Talaromyces (enzymology) |
| 1 | Talaromyces (drug effects) |
| 1 | Synaptic Transmission |
| 1 | Synapses (physiology) |
| 1 | Synapses (metabolism) |
| 1 | Survival Analysis |
| 1 | Surveys and Questionnaires |
| 1 | Superoxide Dismutase (metabolism) |
| 1 | Sulfoxides |
| 1 | Strontium Radioisotopes (chemistry) |
| 1 | Streptomyces (enzymology) |
| 1 | Sterilization, Reproductive |
| 1 | Static Electricity |
| 1 | Spinal Neoplasms (surgery) |
| 1 | Spinal Neoplasms (radiotherapy) |
| 1 | Spinal Neoplasms (pathology) |
| 1 | Spinal Neoplasms (drug therapy) |
| 1 | Spices (analysis) |
| 1 | Spermine (pharmacology) |
| 1 | Spectrum Analysis, Raman |
| 1 | Spectrum Analysis, Raman (methods) |
| 1 | Spectroscopy, Fourier Transform Infrared |
| 1 | Species Specificity |
| 1 | Solvents (chemistry) |
| 1 | Soil Pollutants (pharmacokinetics) |
| 1 | Sodium Chloride, Dietary (analysis) |
| 1 | Sodium Chloride (pharmacology) |
| 1 | Sodium (chemistry) |
| 1 | Socioeconomic Factors |
| 1 | Social Planning |
| 1 | Social Class |
| 1 | Skin Neoplasms (surgery) |
| 1 | Skin Neoplasms (radiotherapy) |
| 1 | Skin Neoplasms (genetics) |
| 1 | Skin Neoplasms (drug therapy) |
| 1 | Skin Diseases (chemically induced) |
| 1 | Skin (drug effects) |
| 1 | Sheep |
| 1 | Sheep Diseases (diagnosis) |
| 1 | Sexual Behavior |
| 1 | Sewage (chemistry) |
| 1 | Sequence Alignment |
| 1 | Senegal |
| 1 | Selenium (pharmacokinetics) |
| 1 | Selenium (analysis) |
| 1 | Seeds (radiation effects) |
| 1 | Seeds (chemistry) |
| 1 | Seawater |
| 1 | Rivers (chemistry) |
| 1 | Research Design |
| 1 | Reproducibility of Results |
| 1 | Remission Induction |
| 1 | Religion |
| 1 | Referral and Consultation |
| 1 | Reference Values |
| 1 | Recurrence |
| 1 | Recombinant Proteins (isolation & purification) |
| 1 | Receptors, AMPA (metabolism) |
| 1 | Rats, Sprague-Dawley |
| 1 | Random Allocation |
| 1 | Radiotherapy, Conformal |
| 1 | Radiotherapy, Adjuvant |
| 1 | Radiometry |
| 1 | Radiometry (standards) |
| 1 | Radiometry (methods) |
| 1 | Radioisotope Teletherapy |
| 1 | Radiodermatitis (etiology) |
| 1 | Radiation, Ionizing |
| 1 | Radiation Monitoring |
| 1 | Radiation Injuries |
| 1 | Radiation Dosage |
| 1 | RNA, Ribosomal, 16S (genetics) |
| 1 | Pyramidal Tracts (physiology) |
| 1 | Pyramidal Cells (physiology) |
| 1 | Pyramidal Cells (metabolism) |
| 1 | Pyramidal Cells (drug effects) |
| 1 | Proteins (metabolism) |
| 1 | Protein-Energy Malnutrition (veterinary) |
| 1 | Protein-Energy Malnutrition (diagnosis) |
| 1 | Protein Carbonylation (drug effects) |
| 1 | Propolis (therapeutic use) |
| 1 | Propolis (pharmacokinetics) |
| 1 | Propolis (administration & dosage) |
| 1 | Prognosis |
| 1 | Procarbazine (adverse effects) |
| 1 | Principal Component Analysis |
| 1 | Prevalence |
| 1 | Preoperative Care |
| 1 | Prenatal Exposure Delayed Effects (prevention & control) |
| 1 | Prenatal Exposure Delayed Effects (pathology) |
| 1 | Prednisone (adverse effects) |
| 1 | Practice Guidelines as Topic (standards) |
| 1 | Potassium (physiology) |
| 1 | Population Growth |
| 1 | Population Dynamics |
| 1 | Population Characteristics |
| 1 | Polyamines (pharmacology) |
| 1 | Poaceae (genetics) |
| 1 | Poaceae (enzymology) |
| 1 | Plasmids (genetics) |
| 1 | Plasmacytoma (surgery) |
| 1 | Plasmacytoma (radiotherapy) |
| 1 | Plasmacytoma (pathology) |
| 1 | Plasmacytoma (drug therapy) |
| 1 | Plants, Medicinal (chemistry) |
| 1 | Plants (metabolism) |
| 1 | Plants (enzymology) |
| 1 | Plants (classification) |
| 1 | Plant Stems (chemistry) |
| 1 | Plant Shoots (radiation effects) |
| 1 | Plant Shoots (growth & development) |
| 1 | Plant Roots (physiology) |
| 1 | Plant Roots (growth & development) |
| 1 | Plant Roots (drug effects) |
| 1 | Plant Roots (chemistry) |
| 1 | Plant Roots (anatomy & histology) |
| 1 | Plant Leaves (radiation effects) |
| 1 | Plant Growth Regulators (physiology) |
| 1 | Pigments, Biological (analysis) |
| 1 | Photosynthesis (radiation effects) |
| 1 | Photosynthesis (physiology) |
| 1 | Photoelectron Spectroscopy |
| 1 | Phenols |
| 1 | Phantoms, Imaging |
| 1 | Pest Control, Biological (methods) |
| 1 | Pest Control, Biological (instrumentation) |
| 1 | Palliative Care (utilization) |
| 1 | Palliative Care (methods) |
| 1 | Oxygen Consumption (physiology) |
| 1 | Oxygen (analysis) |
| 1 | Oxidative Stress (drug effects) |
| 1 | Oxidation-Reduction |
| 1 | Oxidants (metabolism) |
| 1 | Occupational Exposure (adverse effects) |
| 1 | Nitrogen (analysis) |
| 1 | Nickel (analysis) |
| 1 | Neural Inhibition (drug effects) |
| 1 | Netherlands (epidemiology) |
| 1 | Neoplasms, Second Primary |
| 1 | Neoplasms, Second Primary (epidemiology) |
| 1 | Neoplasms, Second Primary (chemically induced) |
| 1 | Neoplasms, Radiation-Induced |
| 1 | Neoplasms, Radiation-Induced (etiology) |
| 1 | Neoplasms, Multiple Primary (surgery) |
| 1 | Neoplasms, Multiple Primary (radiotherapy) |
| 1 | Neoplasms, Multiple Primary (genetics) |
| 1 | Neoplasm Staging |
| 1 | Neoplasm Recurrence, Local (radiotherapy) |
| 1 | Neoplasm Recurrence, Local (drug therapy) |
| 1 | Neoplasm Metastasis (radiotherapy) |
| 1 | Neoplasm Invasiveness |
| 1 | Neoadjuvant Therapy |
| 1 | Nematoda (metabolism) |
| 1 | Nematoda (classification) |
| 1 | Necrosis |
| 1 | Nasopharyngeal Neoplasms (ethnology) |
| 1 | Nasopharyngeal Neoplasms (drug therapy) |
| 1 | Myocardium (pathology) |
| 1 | Myocardium (enzymology) |
| 1 | Mutation |
| 1 | Mutagenesis, Site-Directed |
| 1 | Multiple Myeloma (etiology) |
| 1 | Motor Activity (drug effects) |
| 1 | Mortality |
| 1 | Molecular Weight |
| 1 | Models, Molecular |
| 1 | Models, Chemical |
| 1 | Models, Biological |
| 1 | Mining |
| 1 | Milk (chemistry) |
| 1 | Mice, Inbred Strains |
| 1 | Methods |
| 1 | Metals, Heavy (pharmacokinetics) |
| 1 | Metals, Heavy (metabolism) |
| 1 | Metals (toxicity) |
| 1 | Metals (chemistry) |
| 1 | Mercury (pharmacology) |
| 1 | Membrane Potentials (drug effects) |
| 1 | Mechlorethamine (adverse effects) |
| 1 | Mathematical Computing |
| 1 | Maternal Exposure (adverse effects) |
| 1 | Manufactured Materials (adverse effects) |
| 1 | Manganese Compounds (chemistry) |
| 1 | Manganese (pharmacokinetics) |
| 1 | Manganese (chemistry) |
| 1 | Malondialdehyde (metabolism) |
| 1 | Magnesium Oxide (chemistry) |
| 1 | Lymphatic Metastasis |
| 1 | Luteal Phase |
| 1 | Luminescent Agents (chemistry) |
| 1 | Liver Function Tests |
| 1 | Liver (chemistry) |
| 1 | Lipid Peroxidation (drug effects) |
| 1 | Lethal Dose 50 |
| 1 | Lead (metabolism) |
| 1 | Laryngeal Neoplasms (radiotherapy) |
| 1 | Laminectomy |
| 1 | Lakes (chemistry) |
| 1 | Laboratories (standards) |
| 1 | Kidney Function Tests |
| 1 | Kidney Diseases (prevention & control) |
| 1 | Kidney Diseases (metabolism) |
| 1 | Kidney Diseases (chemically induced) |
| 1 | Kidney (enzymology) |
| 1 | Kidney (drug effects) |
| 1 | Kaplan-Meier Estimate |
| 1 | Isoenzymes (genetics) |
| 1 | Iron (deficiency) |
| 1 | Iron (blood) |
| 1 | Ions (analysis) |
| 1 | Intrauterine Devices |
| 1 | Intrauterine Devices, Copper |
| 1 | Insects (radiation effects) |
| 1 | Insect Control |
| 1 | Injections, Intraperitoneal |
| 1 | Injections, Intradermal |
| 1 | Infertility, Male |
| 1 | Indian Ocean |
| 1 | Income |
| 1 | Incidence |
| 1 | In Vitro Techniques |
| 1 | Immunization |
| 1 | Hysterectomy |
| 1 | Hypothyroidism (etiology) |
| 1 | Hydroxides (chemistry) |
| 1 | Hydrogen Peroxide (metabolism) |
| 1 | Hydrogen Bonding |
| 1 | Hot Temperature |
| 1 | Hippocampus (physiology) |
| 1 | Hexuronic Acids (chemistry) |
| 1 | Hemorrhage (pathology) |
| 1 | Hemorrhage (chemically induced) |
| 1 | Health Services |
| 1 | Health Manpower |
| 1 | Halomonas (ultrastructure) |
| 1 | Halomonas (growth & development) |
| 1 | Halomonas (genetics) |
| 1 | Halomonas (drug effects) |
| 1 | Halomonas (classification) |
| 1 | Groundwater (chemistry) |
| 1 | Greece |
| 1 | Glutathione Peroxidase (metabolism) |
| 1 | Glutamic Acid (pharmacology) |
| 1 | Glutamates (pharmacology) |
| 1 | Glucuronic Acid (chemistry) |
| 1 | Gestational Age |
| 1 | Geography |
| 1 | Geobacillus stearothermophilus (genetics) |
| 1 | Geobacillus stearothermophilus (enzymology) |
| 1 | GPI-Linked Proteins (metabolism) |
| 1 | Fungal Proteins (metabolism) |
| 1 | Fungal Proteins (isolation & purification) |
| 1 | Fungal Proteins (chemistry) |
| 1 | Fresh Water (microbiology) |
| 1 | Fresh Water (analysis) |
| 1 | Foot |
| 1 | Food Irradiation |
| 1 | Food Handling (methods) |
| 1 | Food Contamination, Radioactive (analysis) |
| 1 | Food Analysis |
| 1 | Follicular Phase |
| 1 | Fluorescence |
| 1 | Fibromatosis, Aggressive (surgery) |
| 1 | Fibromatosis, Aggressive (radiotherapy) |
| 1 | Fertilizers |
| 1 | Ferrous Compounds |
| 1 | Ferric Compounds (pharmacology) |
| 1 | Ferric Compounds (chemistry) |
| 1 | Family Characteristics |
| 1 | Excitatory Postsynaptic Potentials |
| 1 | Evaluation Studies as Topic |
| 1 | Ethylenes (pharmacology) |
| 1 | Ethylenes (antagonists & inhibitors) |
| 1 | Ethnic Groups |
| 1 | Epirubicin (administration & dosage) |
| 1 | Enzyme Activation (drug effects) |
| 1 | Environmental Pollutants (analysis) |
| 1 | Environmental Monitoring (methods) |
| 1 | Environmental Exposure (analysis) |
| 1 | Environmental Exposure (adverse effects) |
| 1 | Endometrium (chemistry) |
| 1 | Employment |
| 1 | Emigration and Immigration |
| 1 | Electrophoresis, Polyacrylamide Gel |
| 1 | Electrons |
| 1 | Electrodes |
| 1 | Electrochemistry |
| 1 | Electric Stimulation |
| 1 | Electric Power Supplies |
| 1 | Electric Conductivity |
| 1 | Education |
| 1 | Edema (pathology) |
| 1 | Edema (chemically induced) |
| 1 | Ecotoxicology |
| 1 | Ecosystem |
| 1 | Economics |
| 1 | Dust (analysis) |
| 1 | Drug-Induced Liver Injury (etiology) |
| 1 | Drug-Induced Liver Injury (enzymology) |
| 1 | Drug Resistance, Bacterial (genetics) |
| 1 | Drinking |
| 1 | Drinking Water (chemistry) |
| 1 | Doxorubicin (administration & dosage) |
| 1 | Dose-Response Relationship, Radiation |
| 1 | Dose Fractionation |
| 1 | Disaccharides (biosynthesis) |
| 1 | Dermatitis, Occupational (etiology) |
| 1 | Dermatitis, Occupational (epidemiology) |
| 1 | Dermatitis, Contact (etiology) |
| 1 | Dermatitis, Contact (epidemiology) |
| 1 | Dental Porcelain (toxicity) |
| 1 | Dendritic Spines (physiology) |
| 1 | Dendritic Spines (metabolism) |
| 1 | Demography |
| 1 | Dehydration (prevention & control) |
| 1 | Databases, Genetic |
| 1 | Data Interpretation, Statistical |
| 1 | Dacarbazine (administration & dosage) |
| 1 | DNA Fragmentation (drug effects) |
| 1 | Cytoplasm (metabolism) |
| 1 | Cytoplasm (enzymology) |
| 1 | Creatine Kinase (blood) |
| 1 | Creatine Kinase (analysis) |
| 1 | Coriolaceae (metabolism) |
| 1 | Copper (toxicity) |
| 1 | Copper (pharmacology) |
| 1 | Copper (pharmacokinetics) |
| 1 | Copper (metabolism) |
| 1 | Copper (deficiency) |
