Classification
571 - Physiology & related subjects
270
616 - Diseases
177
612 - Human physiology
38
610 - Medicine & health
28
061 - Organizations in North America
27
660 - Chemical engineering
9
572 - Biochemistry
5
617 - Surgery & related medical specialties
4
570 - Life sciences; biology
2
344 - Labor, social, education & cultural law
1
547 - Organic chemistry
1
551 - Geology, hydrology & meteorology
1
576 - Genetics & evolution
1
611 - Human anatomy, cytology & histology
1
613 - Personal health & safety
1
620 - Engineering & allied operations
1
621 - Applied physics
1
636 - Animal husbandry
1