Classification
618 - Gynecology, obstetrics, pediatrics & geriatrics
207
616 - Diseases
66
617 - Surgery & related medical specialties
22
612 - Human physiology
19
610 - Medicine & health
15
577 - Ecology
12
611 - Human anatomy, cytology & histology
7
599 - Mammals
5
613 - Personal health & safety
4
615 - Pharmacology & therapeutics
4
344 - Labor, social, education & cultural law
3
614 - Incidence & prevention of disease
2
301 - Sociology & anthropology
1
306 - Culture & institutions
1
571 - Physiology & related subjects
1