Classification
610 - Medicine & health
167
571 - Physiology & related subjects
72
616 - Diseases
31
620 - Engineering & allied operations
22
572 - Biochemistry
21
621 - Applied physics
15
539 - Modern physics
14
612 - Human physiology
8
570 - Life sciences; biology
7
541 - Physical chemistry
6
543 - Analytical chemistry
5
617 - Surgery & related medical specialties
5
004 - Data processing & computer science
4
005 - Computer programming, programs & data
4
547 - Organic chemistry
4
573 - Specific physiological systems in animals
4
660 - Chemical engineering
4
530 - Physics
3
577 - Ecology
3
580 - Plants (Botany)
3
615 - Pharmacology & therapeutics
3
515 - Analysis
2
531 - Classical mechanics; solid mechanics
2
534 - Sound & related vibrations
2
536 - Heat
2
537 - Electricity & electronics
2
550 - Earth sciences
2
611 - Human anatomy, cytology & histology
2
629 - Other branches of engineering
2
006 - Special computer methods
1
333 - Economics of land & energy
1
510 - Mathematics
1
523 - Specific celestial bodies & phenomena
1
526 - Mathematical geography
1
535 - Light & infrared & ultraviolet phenomena
1
538 - Magnetism
1
576 - Genetics & evolution
1
579 - Microorganisms, fungi & algae
1
641 - Food & drink
1
664 - Food technology
1