Classification
616 - Diseases
333
006 - Special computer methods
35
610 - Medicine & health
28
612 - Human physiology
27
617 - Surgery & related medical specialties
27
571 - Physiology & related subjects
15
615 - Pharmacology & therapeutics
15
618 - Gynecology, obstetrics, pediatrics & geriatrics
9
613 - Personal health & safety
6
614 - Incidence & prevention of disease
6
572 - Biochemistry
4
620 - Engineering & allied operations
3
061 - Organizations in North America
2
362 - Social welfare problems & services
2
515 - Analysis
1
570 - Life sciences; biology
1
573 - Specific physiological systems in animals
1
579 - Microorganisms, fungi & algae
1
780 - Music
1