| 167 | Infectious diseases |
| 134 | Book Reviews |
| 131 | Book Review |
| 126 | Infectious Diseases |
| 108 | Medical Microbiology |
| 92 | Research Article |
| 88 | Articles |
| 79 | Virology |
| 75 | Public Health/Gesundheitswesen |
| 72 | Epidemiologic studies |
| 71 | Research Articles |
| 69 | Internal Medicine |
| 69 | Child health |
| 68 | Immunology (including allergy) |
| 66 | Medicine & Public Health |
| 62 | Pediatrics |
| 59 | Original Article |
| 58 | General Practice / Family Medicine |
| 53 | Pneumology/Respiratory System |
| 51 | Epidemiology |
| 47 | Poster Sessions |
| 47 | Emergency Medicine |
| 45 | General practice / family medicine |
| 44 | Original Articles |
| 44 | Intensive / Critical Care Medicine |
| 44 | Anesthesiology |
| 41 | Pain Medicine |
| 40 | ORIGINAL ARTICLES |
| 39 | Mathematics and Statistics |
| 37 | Immunology |
| 36 | Medicine |
| 36 | Medicine/Public Health, general |
| 36 | 87 |
| 35 | Health policy |
| 35 | Article |
| 34 | Oncology |
| 34 | Cardiology |
| 32 | Plant Sciences |
| 32 | Ethics |
| 32 | Cell Biology |
| 31 | Reproductive medicine |
| 31 | Europe |
| 31 | 1001 |
| 29 | The Americas |
| 29 | Biomedical and Life Sciences |
| 28 | Mathematics |
| 28 | Health promotion |
| 27 | Pneumonia (respiratory medicine) |
| 27 | Life Sciences, general |
| 26 | Reviews |
| 26 | ORIGINAL ARTICLE |
| 26 | Biomedicine |
| 26 | Biochemistry, general |
| 25 | Sociology |
| 25 | Public Health |
| 25 | Mathematical and Computational Biology |
| 24 | Reviews and Short Notices |
| 24 | Computer Science |
| 23 | Statistics for Life Sciences, Medicine, Health Sciences |
| 23 | Microbiology |
| 23 | Health education |
| 23 | Health Promotion and Disease Prevention |
| 22 | Sexual health |
| 22 | Review |
| 22 | Health Informatics |
| 22 | Biomedicine general |
| 21 | Pregnancy |
| 21 | Health service research |
| 21 | Drugs: cardiovascular system |
| 21 | Applications of Mathematics |
| 20 | Pharmacology/Toxicology |
| 19 | Pain (neurology) |
| 19 | Clinical diagnostic tests |
| 18 | Environmental Health |
| 16 | Review Article |
| 16 | Mathematical Biology in General |
| 16 | Influenza |
| 16 | Environmental Management |
| 16 | Computer Communication Networks |
| 15 | Science & Society |
| 15 | Radiology |
| 15 | Population Economics |
| 15 | Occupational and environmental medicine |
| 15 | Health economics |
| 15 | Engineering |
| 15 | Clinical trials (epidemiology) |
| 15 | Artificial Intelligence (incl. Robotics) |
| 14 | Vaccination programs |
| 14 | Probability Theory and Stochastic Processes |
| 14 | Operations Research/Decision Theory |
| 14 | Gynecology |
| 14 | Gastroenterology |
| 14 | Drugs: CNS (not psychiatric) |
| 13 | Smoking |
| 13 | Smoking and tobacco |
| 13 | Review Articles |
| 13 | Research and publication ethics |
| 13 | Original Research Articles |
| 13 | Neurology |
| 13 | Infection (neurology) |
| 13 | Competing interests (ethics) |
| 13 | Biotechnology |
| 12 | Urological surgery |
| 12 | Screening (public health) |
| 12 | Screening (epidemiology) |
| 12 | S&S: Politics, Policy & Law |
| 12 | Memory disorders (psychiatry) |
| 12 | Chemistry and Materials Science |
| 11 | Stroke |
| 11 | Sociology, general |
| 11 | Poisoning |
| 11 | Other anaesthesia |
| 11 | Original articles |
| 11 | Neurosciences |
| 11 | Molecular Medicine |
| 11 | Information Systems Applications (incl.Internet) |
| 11 | Emergency Management |
| 11 | Drugs: musculoskeletal and joint diseases |
| 11 | Dermatology |
| 11 | Data Mining and Knowledge Discovery |
| 11 | Computational Biology/Bioinformatics |
| 11 | 70 |
| 11 | 1004 |
| 10 | news_s14 |
| 10 | Urology |
| 10 | REVIEW ARTICLE |
| 10 | Philosophy |
| 10 | Original Research Article |
| 10 | Methodology of the Social Sciences |
| 10 | Late Modern |
| 10 | Ischaemic heart disease |
| 10 | Inflammation |
| 10 | Environmental issues |
| 10 | Environment, general |
| 10 | Ecosystems |
| 10 | Ear, nose and throat/otolaryngology |
| 10 | Dentistry and oral medicine |
| 10 | Computers and Society |
| 10 | Child abuse |
| 10 | Chemistry |
| 10 | Allergology |
| 10 | Adult intensive care |
| 10 | 44 |
| 9 | Trauma |
| 9 | TB and other respiratory infections |
| 9 | Surgical oncology |
| 9 | SC11 |
| 9 | Research article |
| 9 | Psychiatry |
| 9 | Medical humanities |
| 9 | Management of Computing and Information Systems |
| 9 | Lung cancer (respiratory medicine) |
| 9 | Lung cancer (oncology) |
| 9 | Hypertension |
| 9 | Endocrinology |
| 9 | Editorial |
| 9 | Diabetes |
| 9 | Child and adolescent psychiatry |
| 9 | Child and adolescent psychiatry (paedatrics) |
| 9 | Biomedical Engineering |
| 9 | Algorithm Analysis and Problem Complexity |
| 8 | npg_subject_143 |
| 8 | Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution |
| 8 | This Week |
| 8 | Simulation and Modeling |
| 8 | RESEARCH ARTICLES |
| 8 | Pathology |
| 8 | Ophthalmology |
| 8 | Occupational Medicine/Industrial Medicine |
| 8 | ORIGINAL CONTRIBUTIONS |
| 8 | Neurogastroenterology |
| 8 | Metabolic disorders |
| 8 | Memory disorders (neurology) |
| 8 | Maternal and Child Health |
| 8 | Life Sciences |
| 8 | Injury |
| 8 | Health Psychology |
| 8 | Editorials |
| 8 | Early Modern |
| 8 | Drug misuse (including addiction) |
| 8 | Demography |
| 8 | Database Management |
| 8 | Community and Environmental Psychology |
| 8 | Breast cancer |
| 8 | Atmospheric Protection/Air Quality Control/Air Pollution |
| 8 | Analysis |
| 7 | npg_subject_596 |
| 7 | npg_subject_227 |
| 7 | Social Sciences, general |
| 7 | SC3 |
| 7 | S&S: Health & Disease |
| 7 | Radiology (diagnostics) |
| 7 | RESEARCH ARTICLE |
| 7 | Prison medicine |
| 7 | Philosophy of Medicine |
| 7 | Paediatric oncology |
| 7 | Medical Law |
| 7 | Liver disease |
| 7 | Infant health |
| 7 | Full Paper |
| 7 | Ethics of reproduction |
| 7 | Engineering, general |
| 7 | Drugs misuse (including addiction) |
| 7 | Communications |
| 7 | Communication |
| 7 | Bronchitis |
| 7 | 24 |
| 6 | news_s10 |
| 6 | Theory of Medicine/Bioethics |
| 6 | Stomach and duodenum |
| 6 | Statistics |
| 6 | Short Communication |
| 6 | Review article |
| 6 | Plant Genetics & Genomics |
| 6 | Physics |
| 6 | Physics and Astronomy |
| 6 | Physical Chemistry |
| 6 | Philosophy of Science |
| 6 | Papers |
| 6 | Microbiology, Virology & Host Pathogen Interaction |
| 6 | Microbial Genetics and Genomics |
| 6 | Medieval |
| 6 | Medicines regulation |
| 6 | Interventional cardiology |
| 6 | Information Storage and Retrieval |
| 6 | Guidelines |
| 6 | General, Comparative, Historiographical |
| 6 | Full Papers |
| 6 | Ethics of abortion |
| 6 | Ecology |
| 6 | Computer Applications in Chemistry |
| 6 | Computer Appl. in Social and Behavioral Sciences |
| 6 | Computation by Abstract Devices |
| 6 | Commentary |
| 6 | Business/Management Science, general |
| 6 | Brief Reports |
| 6 | Biostatistics |
| 6 | Asia and The Pacific |
| 6 | Animal Genetics and Genomics |
| 6 | ARTICLES |
| 5 | Zuschriften |
| 5 | Zuschrift |
| 5 | Viruses in Medicine |
| 5 | Variant Creutzfeld-Jakob Disease |
| 5 | Unusual Biological Events—Outbreaks, Pandemics |
| 5 | Undergraduate |
| 5 | This Weeks |
| 5 | Statistics for Business/Economics/Mathematical Finance/Insurance |
| 5 | Screening (oncology) |
| 5 | Public Policy/SocietalIssues |
| 5 | Public Finance & Economics |
| 5 | Physiological, Cellular and Medical Topics |
| 5 | Pharmacy |
| 5 | Patients |
| 5 | Pancreas and biliary tract |
| 5 | Neuromuscular disease |
| 5 | Nephrology |
| 5 | Math. Applications in Chemistry |
| 5 | Management/Business for Professionals |
| 5 | Legal and forensic medicine |
| 5 | LETTERS TO THE EDITOR |
| 5 | Journalology |
| 5 | Internet |
| 5 | Inorganic Chemistry |
| 5 | Imaging / Radiology |
| 5 | Hydrogeology |
| 5 | Human Genetics |
| 5 | General surgery |
| 5 | Forum |
| 5 | Food Science |
| 5 | Environmental Engineering/Biotechnology |
| 5 | Education |
| 5 | Drugs: infectious diseases |
| 5 | Departments |
| 5 | Department |
| 5 | Computer Appl. in Life Sciences |
| 5 | Climate Change |
| 5 | Cardiothoracic surgery |
| 5 | Artificial and donated transplantation |
| 5 | Animal Ecology |
| 5 | 60 |
| 5 | 203 |
| 4 | npg_subject_453 |
| 4 | npg_subject_310 |
| 4 | Zoology |
| 4 | User Interfaces and Human Computer Interaction |
| 4 | Urology/Andrology |
| 4 | Urological cancer |
| 4 | Tuberculosis |
| 4 | Transplantation |
| 4 | Surgical diagnostic tests |
| 4 | Statistics, general |
| 4 | Statistical Theory and Methods |
| 4 | Spinal cord |
| 4 | Soil Science & Conservation |
| 4 | SC10 |
| 4 | Risk Communication |
| 4 | Research articles |
| 4 | Radiotherapy |
| 4 | REVIEW |
| 4 | REVIEW ARTICLES |
| 4 | REGULAR ARTICLES |
| 4 | Original Research |
| 4 | Ordinary Differential Equations |
| 4 | Notes |
| 4 | Mortality and morbidity |
| 4 | Human Geography |
| 4 | Homicide |
| 4 | Health & social care |
| 4 | Headache (including migraine) |
| 4 | Gastrointestinal surgery |
| 4 | Game Theory/Mathematical Methods |
| 4 | Evolutionary Biology |
| 4 | Environmental Medicine |
| 4 | Environmental Economics |
| 4 | Economics / Management Science |
| 4 | Economic Theory |
| 4 | Econometrics |
| 4 | Earth and Environmental Science |
| 4 | Diet |
| 4 | Computer Science, general |
| 4 | Complexity |
| 4 | Colon cancer |
| 4 | Characterization and Evaluation of Materials |
| 4 | Business and Economics |
| 4 | Bioprocess Engineering and Supporting Technologies |
| 4 | BOOK REVIEWS |
| 4 | Asthma |
| 4 | Archaeology |
| 4 | Animal Anatomy / Morphology / Histology |
| 4 | Analytical Chemistry |
| 4 | Airway biology |
| 4 | Africa and the Middle East |
| 4 | Adolescent health |
| 4 | Abstracts |
| 3 | npg_subject_522 |
| 3 | npg_subject_441 |
| 3 | npg_subject_33 |
| 3 | npg_subject_250 |
| 3 | npg_subject_158 |
| 3 | news_s4 |
| 3 | news_s20 |
| 3 | news_s1 |
| 3 | news_s15 |
| 3 | Viewpoint |
| 3 | Veterinary Medicine |
| 3 | Tropical Medicine |
| 3 | Theory of Computation |
| 3 | Theoretical and Computational Chemistry |
| 3 | Suicide (public health) |
| 3 | Suicide (psychiatry) |
| 3 | Statistical Physics, Dynamical Systems and Complexity |
| 3 | Sports and exercise medicine |
| 3 | Socio- and Econophysics, Population and Evolutionary Models |
| 3 | Social Sciences |
| 3 | Sleep disorders |
| 3 | Sleep disorders (respiratory medicine) |
| 3 | Sleep disorders (neurology) |
| 3 | Skin cancer |
| 3 | SPECIAL FEATURES |
| 3 | Rheumatology |
| 3 | Respiratory Viruses |
| 3 | Research Paper |
| 3 | REVIEWS |
| 3 | REVIEWS AND COMMENTARY |
| 3 | RESEARCH PAPERS |
| 3 | REGULAR SECTIONS |
| 3 | REGULAR ARTICLE |
| 3 | Public policy & environmental management |
| 3 | Psychotic disorders (incl schizophrenia) |
| 3 | Prospects & Overviews |
| 3 | Primary Care Medicine |
| 3 | Postgraduate |
| 3 | PostScript |
| 3 | Political Science |
| 3 | Plant Pathology |
| 3 | Plant Breeding/Biotechnology |
| 3 | Perspective |
| 3 | Parasitology |
| 3 | Paper |
| 3 | Original Papers |
| 3 | Original Paper |
| 3 | Organic Chemistry |
| 3 | Obesity (public health) |
| 3 | Obesity (nutrition) |
| 3 | Nursing |
| 3 | NOTE |
| 3 | Multiple sclerosis |
| 3 | Mood disorders (including depression) |
| 3 | Mechanical ventilation |
| 3 | Mathematics, general |
| 3 | Lipid disorders |
| 3 | Letters to the Editor |
| 3 | Letter to the Editor |
| 3 | Invited Reviews |
| 3 | Invited Review |
| 3 | International Economics |
| 3 | Interdisciplinary Studies |
| 3 | Informed consent |
| 3 | Index |
| 3 | Hepatology |
| 3 | Health Administration |
| 3 | Genetics and Population Dynamics |
| 3 | From the National Institutes of Health |
| 3 | Epilepsy and seizures |
| 3 | Engineering Design |
| 3 | Editor's choice |
| 3 | Ecotoxicology |
| 3 | Economics general |
| 3 | Economic Systems |
| 3 | Economic Policy |
| 3 | EDITORIAL |
| 3 | Dynamical Systems and Ergodic Theory |
| 3 | Drugs: psychiatry |
| 3 | Drugs: obstetrics and gynaecology |
| 3 | Contraception |
| 3 | Connective tissue disease |
| 3 | Confidentiality |
| 3 | Computing Methodologies |
| 3 | Computational Mathematics and Numerical Analysis |
| 3 | Complementary medicine |
| 3 | Civil Engineering |
| 3 | Chemotherapy |
| 3 | Chemistry/Food Science, general |
| 3 | CUMULATIVE INDICES |
| 3 | Brief Report |
| 3 | Bioinformatics |
| 3 | Appl.Mathematics/Computational Methods of Engineering |
| 3 | Anthropology |
| 3 | Alcohol-related disorders |
| 3 | Agriculture |
| 3 | AAPA Abstracts |
| 3 | 200 |
| 3 | 14 |
| 2 | npg_subject_496 |
| 2 | npg_subject_479 |
| 2 | npg_subject_326 |
| 2 | npg_subject_179 |
| 2 | npg_subject_174 |
| 2 | npg_subject_172 |
| 2 | npg_subject_154 |
| 2 | news_s9 |
| 2 | news_s8 |
| 2 | news_s7 |
| 2 | news_s21 |
| 2 | news_s16 |
| 2 | news_s13 |
| 2 | YouTube |
| 2 | White |
| 2 | WORLD HEALTH |
| 2 | Vulnerable groups |
| 2 | Viruses |
| 2 | Viewpoints |
| 2 | Vascular surgery |
| 2 | Vaccination / immunisation |
| 2 | Upfront |
| 2 | Thyroid disease |
| 2 | The Penetrating Point |
| 2 | Systems Engineering |
| 2 | Sustainable Development |
| 2 | Surgical Orthopedics |
| 2 | Supplement Articles |
| 2 | Supplement Article |
| 2 | Statistics for Engineering, Physics, Computer Science, Chemistry & Geosciences |
| 2 | Special Issue Articles |
| 2 | Special Issue Article |
| 2 | Software Engineering |
| 2 | Software Engineering/Programming and Operating Systems |
| 2 | Sociology of Education |
| 2 | Short Notices |
| 2 | Short Communications |
| 2 | SHORT COMMUNICATION |
| 2 | S&S: Media & Publishing |
| 2 | Resuscitation |
| 2 | Research |
| 2 | Research Papers |
| 2 | Reminiscence |
| 2 | Regional marketing |
| 2 | Quality Control, Reliability, Safety and Risk |
| 2 | Psychotherapy and Counseling |
| 2 | Psychosocial Aspects |
| 2 | Psychogeriatrics |
| 2 | Psychiatry of old age |
| 2 | Prostate cancer |
| 2 | Practitioners (All Fields) |
| 2 | Pneumonia (infectious disease) |
| 2 | Plastic and reconstructive surgery |
| 2 | Plant Ecology |
| 2 | Physiotherapy |
| 2 | Physics, general |
| 2 | Philosophy of Technology |
| 2 | Pharmaceutics, Preformulation and Drug Delivery |
| 2 | Perspectives |
| 2 | Pathology/Biology |
| 2 | Parkinson's disease |
| 2 | Pain (palliative care) |
| 2 | Pain (anaesthesia) |
| 2 | Otolaryngology / ENT |
| 2 | Orthopedics |
| 2 | Orthopaedic and trauma surgery |
