Classification
616 - Diseases
361
617 - Surgery & related medical specialties
126
610 - Medicine & health
22
618 - Gynecology, obstetrics, pediatrics & geriatrics
18
615 - Pharmacology & therapeutics
11
612 - Human physiology
7
614 - Incidence & prevention of disease
7
613 - Personal health & safety
4
362 - Social welfare problems & services
3
551 - Geology, hydrology & meteorology
2
580 - Plants (Botany)
2
620 - Engineering & allied operations
2
364 - Criminology
1
628 - Sanitary & municipal engineering
1
636 - Animal husbandry
1