610 - Medicine & health 8,975 330 - Economics 962 700 - The arts; fine & decorative arts 674 363 - Other social problems & services 383 600 - Technology 313 370 - Education 296 more ... 100 - Philosophy & psychology 289 140 - Specific philosophical schools 271 380 - Commerce, communications & transportation 217 580 - Plants (Botany) 202 612 - Human physiology 187 000 - Computer science, information & general works 169 170 - Ethics 160 900 - History & geography 160 576 - Genetics & evolution 133 616 - Diseases 104 361 - Social problems & social welfare in general 102 340 - Law 100 800 - Literature & rhetoric 85 333 - Economics of land & energy 79 362 - Social welfare problems & services 76 620 - Engineering & allied operations 65 615 - Pharmacology & therapeutics 58 540 - Chemistry & allied sciences 41 551 - Geology, hydrology & meteorology 30 320 - Political science 27 500 - Natural sciences & mathematics 26 658 - General management 21 400 - Language 18 613 - Personal health & safety 18 614 - Incidence & prevention of disease 16 630 - Agriculture & related technologies 15 200 - Religion 13 581 - Specific topics in natural history 11 300 - Social sciences 9 305 - Social groups 9 618 - Gynecology, obstetrics, pediatrics & geriatrics 9 338 - Production 8 572 - Biochemistry 7 660 - Chemical engineering 7 304 - Factors affecting social behavior 6 331 - Labor economics 6 628 - Sanitary & municipal engineering 6 507 - Education, research & related topics 5 570 - Life sciences; biology 5 306 - Culture & institutions 4 070 - News media, journalism & publishing 3 155 - Differential & developmental psychology 3 174 - Occupational ethics 3 301 - Sociology & anthropology 3 353 - Specific fields of public administration 3 358 - Air & other specialized forces 3 617 - Surgery & related medical specialties 3 629 - Other branches of engineering 3 001 - Knowledge 2 302 - Social interaction 2 344 - Labor, social, education & cultural law 2 355 - Military science 2 365 - Penal & related institutions 2 368 - Insurance 2 371 - Schools & their activities; special education 2 372 - Elementary education 2 410 - Linguistics 2 530 - Physics 2 539 - Modern physics 2 571 - Physiology & related subjects 2 657 - Accounting 2 780 - Music 2 956 - Middle East (Near East) 2 025 - Library operations 1 150 - Psychology 1 154 - Subconscious & altered states 1 261 - Social theology 1 327 - International relations 1 346 - Private law 1 379 - Public policy issues in education 1 394 - General customs 1 501 - Philosophy & theory 1 502 - Miscellany 1 509 - Historical, geographic & persons treatment 1 520 - Astronomy & allied sciences 1 542 - Techniques, equipment & materials 1 573 - Specific physiological systems in animals 1 574 - [Unassigned] 1 579 - Microorganisms, fungi & algae 1 590 - Animals (Zoology) 1 625 - Engineering of railroads & roads 1 631 - Techniques, equipment & materials 1 636 - Animal husbandry 1 641 - Food & drink 1 681 - Precision instruments & other devices 1 720 - Architecture 1 940 - History of Europe 1 see all ... less ...

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National Center for Biotechnology Information

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