| 5069 | Humans |
| 3030 | Female |
| 2803 | Male |
| 1539 | Middle Aged |
| 1484 | Adult |
| 1301 | Animals |
| 1157 | Aged |
| 682 | Adolescent |
| 655 | Young Adult |
| 576 | Treatment Outcome |
| 517 | United States |
| 482 | Aged, 80 and over |
| 474 | Retrospective Studies |
| 465 | Child |
| 460 | Mice |
| 420 | Risk Factors |
| 314 | Time Factors |
| 305 | Prospective Studies |
| 305 | Follow-Up Studies |
| 253 | Magnetic Resonance Imaging |
| 247 | Cohort Studies |
| 234 | Child, Preschool |
| 216 | Surveys and Questionnaires |
| 215 | Signal Transduction |
| 199 | Prognosis |
| 193 | Reproducibility of Results |
| 190 | Disease Models, Animal |
| 184 | Infant |
| 182 | Pregnancy |
| 180 | Rats |
| 178 | Brain |
| 172 | Cross-Sectional Studies |
| 170 | Age Factors |
| 167 | Biomarkers |
| 162 | Case-Control Studies |
| 161 | Mice, Inbred C57BL |
| 154 | Cell Line, Tumor |
| 150 | Cells, Cultured |
| 149 | Severity of Illness Index |
| 145 | Pennsylvania |
| 140 | Mutation |
| 135 | Longitudinal Studies |
| 134 | Tomography, X-Ray Computed |
| 134 | Risk Assessment |
| 132 | Rats, Sprague-Dawley |
| 129 | Incidence |
| 128 | Algorithms |
| 122 | Depression |
| 121 | Predictive Value of Tests |
| 118 | Cell Proliferation |
| 117 | Infant, Newborn |
| 115 | Breast Neoplasms |
| 111 | Phenotype |
| 110 | HIV Infections |
| 110 | Cell Line |
| 109 | Aging |
| 108 | Apoptosis |
| 104 | Antineoplastic Agents |
| 103 | Quality of Life |
| 101 | Sensitivity and Specificity |
| 100 | Survival Rate |
| 100 | Mice, Knockout |
| 100 | Body Mass Index |
| 99 | Obesity |
| 99 | Genotype |
| 98 | Neoplasms |
| 98 | Logistic Models |
| 97 | Postoperative Complications |
| 96 | Computer Simulation |
| 94 | Protein Binding |
| 94 | Inflammation |
| 94 | Genetic Predisposition to Disease |
| 93 | Smoking |
| 93 | Polymorphism, Single Nucleotide |
| 93 | Biomarkers, Tumor |
| 92 | Neurons |
| 89 | Comorbidity |
| 88 | Immunohistochemistry |
| 87 | Prevalence |
| 86 | Models, Biological |
| 82 | Sex Factors |
| 82 | Neoplasm Staging |
| 81 | Cell Differentiation |
| 80 | Neuropsychological Tests |
| 80 | Molecular Sequence Data |
| 80 | European Continental Ancestry Group |
| 80 | Disease Progression |
| 80 | Cognition |
| 78 | Models, Molecular |
| 76 | Mice, Transgenic |
| 73 | Lung |
| 73 | Gene Expression Regulation |
| 73 | Dose-Response Relationship, Drug |
| 73 | Anti-Bacterial Agents |
| 71 | Multivariate Analysis |
| 70 | Kaplan-Meier Estimate |
| 70 | Diagnosis, Differential |
| 70 | Cytokines |
| 68 | Equipment Design |
| 67 | Lung Neoplasms |
| 67 | Cardiovascular Diseases |
| 67 | Biomechanical Phenomena |
| 66 | Proportional Hazards Models |
| 64 | Databases, Factual |
| 64 | African Americans |
| 63 | Motor Activity |
| 63 | Image Processing, Computer-Assisted |
| 63 | Antineoplastic Combined Chemotherapy Protocols |
| 62 | Amino Acid Sequence |
| 61 | Survival Analysis |
| 61 | Stroke |
| 61 | Double-Blind Method |
| 61 | Decision Making |
| 61 | Carcinoma, Squamous Cell |
| 61 | Blood Pressure |
| 60 | Combined Modality Therapy |
| 59 | RNA, Messenger |
| 59 | Pilot Projects |
| 59 | Liver |
| 58 | Randomized Controlled Trials as Topic |
| 58 | Practice Guidelines as Topic |
| 58 | Heart Failure |
| 58 | Depressive Disorder, Major |
| 58 | Cognition Disorders |
| 57 | Risk |
| 57 | Psychiatric Status Rating Scales |
| 57 | Diabetes Mellitus, Type 2 |
| 57 | Brain Injuries |
| 56 | Stress, Psychological |
| 56 | Phosphorylation |
| 56 | Neoplasm Recurrence, Local |
| 56 | Gene Expression |
| 56 | Disease-Free Survival |
| 55 | Intensive Care Units |
| 55 | Gene Expression Profiling |
| 54 | Substance-Related Disorders |
| 54 | Socioeconomic Factors |
| 54 | Radiography |
| 54 | Linear Models |
| 54 | Cell Survival |
| 54 | Asthma |
| 53 | Registries |
| 53 | Models, Theoretical |
| 53 | Genome-Wide Association Study |
| 53 | Brain Mapping |
| 53 | Adenocarcinoma |
| 52 | Self Report |
| 52 | Alzheimer Disease |
| 51 | Recurrence |
| 51 | Odds Ratio |
| 51 | HIV-1 |
| 51 | Gene Expression Regulation, Neoplastic |
| 51 | Clinical Trials as Topic |
| 51 | Biopsy |
| 51 | Analysis of Variance |
| 50 | Positron-Emission Tomography |
| 50 | Outcome Assessment (Health Care) |
| 50 | Mitochondria |
| 50 | Macrophages |
| 50 | HEK293 Cells |
| 49 | Length of Stay |
| 49 | Kinetics |
| 49 | Kidney |
| 49 | Emotions |
| 48 | Psychometrics |
| 48 | Muscle, Skeletal |
| 48 | Head and Neck Neoplasms |
| 48 | Base Sequence |
| 48 | Acute Disease |
| 47 | Models, Statistical |
| 47 | Membrane Proteins |
| 47 | Hypertension |
| 47 | Cell Movement |
| 47 | Bipolar Disorder |
| 46 | Sleep |
| 46 | Skin Neoplasms |
| 46 | Schizophrenia |
| 46 | ROC Curve |
| 46 | Prefrontal Cortex |
| 45 | Weight Loss |
| 45 | Transcription Factors |
| 45 | Patient Satisfaction |
| 45 | Hospitalization |
| 45 | Evidence-Based Medicine |
| 45 | Chronic Disease |
| 44 | Pain Measurement |
| 44 | Health Knowledge, Attitudes, Practice |
| 44 | Extracellular Matrix |
| 44 | Emergency Service, Hospital |
| 44 | Anxiety |
| 44 | Alleles |
| 43 | Software |
| 43 | Mice, Inbred BALB C |
| 43 | Interpersonal Relations |
| 43 | Exercise |
| 42 | Regression Analysis |
| 42 | Neural Pathways |
| 42 | Macaca mulatta |
| 42 | Feasibility Studies |
| 41 | Protein Structure, Tertiary |
| 40 | Up-Regulation |
| 40 | Tissue Scaffolds |
| 40 | Tissue Engineering |
| 40 | Swine |
| 40 | Sequence Analysis, DNA |
| 40 | Reaction Time |
| 40 | RNA Interference |
| 40 | Primary Health Care |
| 40 | Patient Selection |
| 40 | Pancreatic Neoplasms |
| 40 | Mental Disorders |
| 40 | Knee Joint |
| 40 | Hepatocytes |
| 40 | Blotting, Western |
| 40 | Adolescent Behavior |
| 39 | Urinary Bladder |
| 39 | Sepsis |
| 39 | Promoter Regions, Genetic |
| 39 | Oxygen |
| 39 | Oxidative Stress |
| 39 | Melanoma |
| 39 | Internet |
| 39 | Depressive Disorder |
| 39 | DNA |
| 39 | Activities of Daily Living |
| 38 | Reoperation |
| 38 | Proteins |
| 38 | Imaging, Three-Dimensional |
| 38 | Epithelial Cells |
| 38 | Cognitive Therapy |
| 38 | Alcohol Drinking |
| 38 | Adaptation, Psychological |
| 37 | Real-Time Polymerase Chain Reaction |
| 37 | Microscopy, Fluorescence |
| 37 | Gait |
| 37 | Drug Therapy, Combination |
| 37 | Cost-Benefit Analysis |
| 37 | Anti-HIV Agents |
| 37 | Action Potentials |
| 36 | Societies, Medical |
| 36 | Research Design |
| 36 | Peptides |
| 36 | Parents |
| 36 | Pain |
| 36 | Mice, Nude |
| 36 | Graft Rejection |
| 36 | Genetic Variation |
| 36 | Dendritic Cells |
| 36 | Critical Illness |
| 36 | Communication |
| 36 | Biocompatible Materials |
| 35 | Ultrasonography |
| 35 | Practice Patterns, Physicians' |
| 35 | Patient Education as Topic |
| 35 | Oxidation-Reduction |
| 35 | Laparoscopy |
| 35 | Internship and Residency |
| 35 | Cerebral Cortex |
| 35 | CD4-Positive T-Lymphocytes |
| 35 | Brain Ischemia |
| 34 | Women's Health |
| 34 | Walking |
| 34 | Protein Conformation |
| 34 | Prostatic Neoplasms |
| 34 | Polymers |
| 34 | Liver Neoplasms |
| 34 | Immunosuppressive Agents |
| 34 | Graft Survival |
| 34 | Blood Glucose |
| 34 | Bacterial Proteins |
| 34 | Autophagy |
| 33 | Stem Cells |
| 33 | Recovery of Function |
| 33 | Reconstructive Surgical Procedures |
| 33 | Protein Transport |
| 33 | Hemodynamics |
| 33 | Health Status |
| 33 | Critical Care |
| 33 | Biomedical Research |
| 33 | Antibodies, Monoclonal |
| 33 | Antibodies, Monoclonal, Humanized |
| 32 | Quality of Health Care |
| 32 | Physicians |
| 32 | Phylogeny |
| 32 | Interleukin-6 |
| 32 | Immunity, Innate |
| 32 | Health Promotion |
| 32 | Health Behavior |
| 32 | Ethnic Groups |
| 32 | Electroencephalography |
| 32 | Electrocardiography |
| 32 | Data Collection |
| 32 | DNA-Binding Proteins |
| 31 | Transcription, Genetic |
| 31 | RNA, Small Interfering |
| 31 | Neoplasm Invasiveness |
| 31 | Hippocampus |
| 31 | Forecasting |
| 31 | Executive Function |
| 31 | DNA Mutational Analysis |
| 31 | Clinical Competence |
| 31 | Cell Membrane |
| 31 | Binding Sites |
| 31 | Analgesics, Opioid |
| 30 | Transfection |
| 30 | Polymerase Chain Reaction |
| 30 | Photic Stimulation |
| 30 | Microbial Sensitivity Tests |
| 30 | MicroRNAs |
| 30 | Materials Testing |
| 30 | Lymph Nodes |
| 30 | Lung Transplantation |
| 30 | Life Style |
| 30 | Hospital Mortality |
| 30 | Enzyme-Linked Immunosorbent Assay |
| 30 | Diet |
| 30 | Computational Biology |
| 30 | Colorectal Neoplasms |
| 30 | Anterior Cruciate Ligament |
| 30 | Anterior Cruciate Ligament Reconstruction |
| 29 | Reward |
| 29 | Radiosurgery |
| 29 | Parent-Child Relations |
| 29 | Neoplasm Metastasis |
| 29 | Molecular Targeted Therapy |
| 29 | Models, Neurological |
| 29 | Microscopy, Confocal |
| 29 | Hypertension, Pulmonary |
| 29 | Drug Administration Schedule |
| 29 | Dementia |
| 29 | DNA Damage |
| 29 | Brain Neoplasms |
| 29 | Attitude of Health Personnel |
| 28 | Virus Replication |
| 28 | Uterine Cervical Neoplasms |
| 28 | User-Computer Interface |
| 28 | Tumor Necrosis Factor-alpha |
| 28 | Robotics |
| 28 | Reactive Oxygen Species |
| 28 | Range of Motion, Articular |
| 28 | Psychomotor Performance |
| 28 | Patient Compliance |
| 28 | Nitric Oxide |
| 28 | Molecular Dynamics Simulation |
| 28 | Mass Screening |
| 28 | Flow Cytometry |
| 28 | Cell Nucleus |
| 28 | Carcinoma, Non-Small-Cell Lung |
| 28 | Bariatric Surgery |
| 28 | Antidepressive Agents |
| 28 | Acute Kidney Injury |
| 27 | Temperature |
| 27 | Social Support |
| 27 | Smoking Cessation |
| 27 | Skin |
| 27 | Quality Improvement |
| 27 | Pregnancy Complications |
| 27 | Liver Transplantation |
| 27 | Electronic Health Records |
| 27 | Drug Discovery |
| 27 | Diagnostic Imaging |
| 27 | Diabetes Mellitus |
| 27 | Continental Population Groups |
| 27 | Calcium |
| 27 | Body Weight |
| 27 | Area Under Curve |
| 27 | Age of Onset |
| 26 | T-Lymphocytes |
| 26 | Respiration, Artificial |
| 26 | Recombinant Proteins |
| 26 | Pediatrics |
| 26 | Ovarian Neoplasms |
| 26 | Mesenchymal Stromal Cells |
| 26 | Kidney Transplantation |
| 26 | Influenza, Human |
| 26 | Hispanic Americans |
| 26 | Heart Arrest |
| 26 | Green Fluorescent Proteins |
| 26 | Glucose |
| 26 | Gene Expression Regulation, Developmental |
| 26 | Fibroblasts |
| 26 | Escherichia coli |
| 26 | Endothelial Cells |
| 26 | Diabetes Mellitus, Type 1 |
| 26 | Delivery of Health Care |
| 26 | Cell Death |
| 26 | Antipsychotic Agents |
| 25 | Translational Medical Research |
| 25 | Thermodynamics |
| 25 | Stress, Mechanical |
| 25 | Social Behavior |
| 25 | Sleep Wake Disorders |
| 25 | Reference Values |
| 25 | Receptor, Epidermal Growth Factor |
| 25 | Drug Resistance, Neoplasm |
| 25 | Drug Delivery Systems |
| 25 | Disabled Persons |
| 25 | Data Interpretation, Statistical |
| 25 | Contrast Media |
| 25 | Cognitive Dysfunction |
| 25 | Chi-Square Distribution |
| 25 | Chemotherapy, Adjuvant |
| 25 | Caregivers |
| 25 | Attention |
| 25 | Anxiety Disorders |
| 25 | Anticoagulants |
| 25 | Affect |
| 24 | White Matter |
| 24 | Weight Gain |
| 24 | Vascular Endothelial Growth Factor A |
| 24 | Surface Properties |
| 24 | Renal Dialysis |
| 24 | Premature Birth |
| 24 | Polymorphism, Genetic |
| 24 | Obesity, Morbid |
| 24 | Nerve Tissue Proteins |
| 24 | Nerve Net |
| 24 | Motivation |
| 24 | Molecular Structure |
| 24 | Insulin Resistance |
| 24 | Inflammation Mediators |
| 24 | Hydrogen-Ion Concentration |
| 24 | Genomics |
| 24 | Energy Metabolism |
| 24 | Early Detection of Cancer |
| 24 | Disability Evaluation |
| 24 | Cooperative Behavior |
| 24 | Chronic Pain |
| 24 | CD8-Positive T-Lymphocytes |
| 24 | Antihypertensive Agents |
| 23 | Water |
| 23 | Transplantation, Homologous |
| 23 | Structure-Activity Relationship |
| 23 | Spinal Cord Injuries |
| 23 | Single-Blind Method |
| 23 | Papillomavirus Infections |
| 23 | Organ Size |
| 23 | NF-kappa B |
| 23 | Mothers |
| 23 | Models, Psychological |
| 23 | Hypoglycemic Agents |
| 23 | Host-Pathogen Interactions |
| 23 | Health Care Surveys |
| 23 | HeLa Cells |
| 23 | Glomerular Filtration Rate |
| 23 | Geriatric Assessment |
| 23 | Genetic Association Studies |
| 23 | Gene Regulatory Networks |
| 23 | Family |
| 23 | Endovascular Procedures |
| 23 | Emergency Medical Services |
| 23 | Echocardiography |
| 23 | Diffusion Tensor Imaging |
| 23 | Curriculum |
| 23 | Cluster Analysis |
| 23 | Canada |
| 23 | Asian Continental Ancestry Group |
| 23 | Administration, Oral |
| 22 | Wound Healing |
| 22 | Vitamin D |
| 22 | Treatment Failure |
| 22 | Statistics as Topic |
| 22 | Reverse Transcriptase Polymerase Chain Reaction |
| 22 | Renal Insufficiency, Chronic |
| 22 | Referral and Consultation |
| 22 | Psychotherapy |
| 22 | Proteomics |
| 22 | Protein Kinase Inhibitors |
| 22 | Pre-Eclampsia |
| 22 | Physician-Patient Relations |
| 22 | Myocardial Infarction |
| 22 | Medication Adherence |
| 22 | Ligands |
| 22 | Injury Severity Score |
| 22 | Image Interpretation, Computer-Assisted |
| 22 | Health Services Accessibility |
| 22 | Gene Knockdown Techniques |
| 22 | Fluorescent Dyes |
| 22 | Enzyme Activation |
| 22 | Dietary Supplements |
| 22 | Corpus Striatum |
| 22 | Coronary Artery Disease |
| 22 | Child Development |
| 22 | Cerebrovascular Circulation |
| 22 | Carrier Proteins |
| 22 | Behavior Therapy |
| 22 | Animals, Genetically Modified |
| 22 | Academic Medical Centers |
| 21 | Xenograft Model Antitumor Assays |
| 21 | Wounds and Injuries |
| 21 | Transplantation, Heterologous |
| 21 | Survivors |
| 21 | Stroke Volume |
| 21 | Stress Disorders, Post-Traumatic |
| 21 | Species Specificity |
| 21 | Sleep Initiation and Maintenance Disorders |
| 21 | Qualitative Research |
| 21 | Proto-Oncogene Proteins |
| 21 | Protein-Serine-Threonine Kinases |
| 21 | Prosthesis Design |