Classification
616 - Diseases
883
501 - Philosophy & theory
284
614 - Incidence & prevention of disease
138
613 - Personal health & safety
103
160 - Logic
91
120 - Epistemology, causation & humankind
88
617 - Surgery & related medical specialties
86
571 - Physiology & related subjects
84
610 - Medicine & health
74
615 - Pharmacology & therapeutics
67
618 - Gynecology, obstetrics, pediatrics & geriatrics
63
142 - Critical philosophy
47
300 - Social sciences
47
519 - Probabilities & applied mathematics
39
572 - Biochemistry
36
570 - Life sciences; biology
35
150 - Psychology
31
579 - Microorganisms, fungi & algae
29
006 - Special computer methods
27
149 - Other philosophical systems
26
128 - Humankind
25
190 - Modern western philosophy
25
530 - Physics
25
577 - Ecology
25
100 - Philosophy & psychology
22
900 - History & geography
22
301 - Sociology & anthropology
21
612 - Human physiology
21
001 - Knowledge
19
636 - Animal husbandry
17
155 - Differential & developmental psychology
15
363 - Other social problems & services
15
340 - Law
14
370 - Education
14
580 - Plants (Botany)
13
510 - Mathematics
12
511 - General principles of mathematics
12
304 - Factors affecting social behavior
11
320 - Political science
11
590 - Animals (Zoology)
11
110 - Metaphysics
10
500 - Natural sciences & mathematics
10
630 - Agriculture & related technologies
10
658 - General management
10
003 - Systems
9
050 - General serial publications
9
153 - Mental processes & intelligence
9
330 - Economics
9
333 - Economics of land & energy
9
004 - Data processing & computer science
8
more ...