Classification
571 - Physiology & related subjects
616 - Diseases
1,152
612 - Human physiology
59
611 - Human anatomy, cytology & histology
35
061 - Organizations in North America
20
572 - Biochemistry
3
573 - Specific physiological systems in animals
2
615 - Pharmacology & therapeutics
2
570 - Life sciences; biology
1
617 - Surgery & related medical specialties
1