Classification
612 - Human physiology
2,083
616 - Diseases
677
610 - Medicine & health
265
500 - Natural sciences & mathematics
225
571 - Physiology & related subjects
221
615 - Pharmacology & therapeutics
143
617 - Surgery & related medical specialties
133
333 - Economics of land & energy
94
006 - Special computer methods
87
150 - Psychology
84
153 - Mental processes & intelligence
68
572 - Biochemistry
60
100 - Philosophy & psychology
59
570 - Life sciences; biology
56
590 - Animals (Zoology)
51
700 - The arts; fine & decorative arts
47
004 - Data processing & computer science
42
000 - Computer science, information & general works
39
576 - Genetics & evolution
39
140 - Specific philosophical schools
34
611 - Human anatomy, cytology & histology
32
530 - Physics
30
658 - General management
30
400 - Language
29
128 - Humankind
28
380 - Commerce, communications & transportation
26
620 - Engineering & allied operations
24
573 - Specific physiological systems in animals
22
152 - Perception, movement, emotions & drives
21
621 - Applied physics
20
155 - Differential & developmental psychology
19
370 - Education
19
519 - Probabilities & applied mathematics
18
005 - Computer programming, programs & data
17
170 - Ethics
16
330 - Economics
16
600 - Technology
15
301 - Sociology & anthropology
14
618 - Gynecology, obstetrics, pediatrics & geriatrics
14
580 - Plants (Botany)
13
591 - Specific topics in natural history
13
613 - Personal health & safety
13
629 - Other branches of engineering
13
660 - Chemical engineering
13
579 - Microorganisms, fungi & algae
12
900 - History & geography
12
300 - Social sciences
11
780 - Music
11
302 - Social interaction
10
304 - Factors affecting social behavior
10
more ...