Classification
612 - Human physiology
2,019
616 - Diseases
654
610 - Medicine & health
262
500 - Natural sciences & mathematics
225
571 - Physiology & related subjects
200
615 - Pharmacology & therapeutics
143
617 - Surgery & related medical specialties
133
333 - Economics of land & energy
89
006 - Special computer methods
84
150 - Psychology
81
153 - Mental processes & intelligence
64
572 - Biochemistry
59
100 - Philosophy & psychology
56
570 - Life sciences; biology
51
590 - Animals (Zoology)
50
700 - The arts; fine & decorative arts
45
004 - Data processing & computer science
42
611 - Human anatomy, cytology & histology
41
000 - Computer science, information & general works
39
576 - Genetics & evolution
38
140 - Specific philosophical schools
33
530 - Physics
30
400 - Language
29
573 - Specific physiological systems in animals
27
128 - Humankind
26
380 - Commerce, communications & transportation
26
658 - General management
26
620 - Engineering & allied operations
22
152 - Perception, movement, emotions & drives
21
621 - Applied physics
19
005 - Computer programming, programs & data
17
519 - Probabilities & applied mathematics
17
155 - Differential & developmental psychology
16
330 - Economics
16
370 - Education
16
170 - Ethics
15
600 - Technology
14
580 - Plants (Botany)
13
629 - Other branches of engineering
13
591 - Specific topics in natural history
12
599 - Mammals
12
613 - Personal health & safety
12
660 - Chemical engineering
12
301 - Sociology & anthropology
11
780 - Music
11
900 - History & geography
11
300 - Social sciences
10
363 - Other social problems & services
10
579 - Microorganisms, fungi & algae
10
614 - Incidence & prevention of disease
10
more ...