Classification
616 - Diseases
1,462
006 - Special computer methods
267
571 - Physiology & related subjects
215
617 - Surgery & related medical specialties
213
610 - Medicine & health
74
614 - Incidence & prevention of disease
49
618 - Gynecology, obstetrics, pediatrics & geriatrics
49
615 - Pharmacology & therapeutics
26
613 - Personal health & safety
13
612 - Human physiology
10
061 - Organizations in North America
8
611 - Human anatomy, cytology & histology
7
572 - Biochemistry
5
620 - Engineering & allied operations
5
599 - Mammals
4
660 - Chemical engineering
3
005 - Computer programming, programs & data
2
057 - Serials in Slavic languages
2
158 - Applied psychology
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
636 - Animal husbandry
1