Classification
616 - Diseases
1,326
006 - Special computer methods
264
571 - Physiology & related subjects
214
617 - Surgery & related medical specialties
195
614 - Incidence & prevention of disease
47
610 - Medicine & health
44
618 - Gynecology, obstetrics, pediatrics & geriatrics
28
615 - Pharmacology & therapeutics
24
613 - Personal health & safety
11
061 - Organizations in North America
8
611 - Human anatomy, cytology & histology
7
612 - Human physiology
7
572 - Biochemistry
5
599 - Mammals
4
620 - Engineering & allied operations
4
660 - Chemical engineering
3
005 - Computer programming, programs & data
2
057 - Serials in Slavic languages
2
579 - Microorganisms, fungi & algae
2
003 - Systems
1
150 - Psychology
1
155 - Differential & developmental psychology
1
306 - Culture & institutions
1
353 - Specific fields of public administration
1
530 - Physics
1
538 - Magnetism
1
541 - Physical chemistry
1
570 - Life sciences; biology
1
576 - Genetics & evolution
1