Classification
616 - Diseases
571 - Physiology & related subjects
672
579 - Microorganisms, fungi & algae
91
362 - Social welfare problems & services
11
006 - Special computer methods
5
617 - Surgery & related medical specialties
5
620 - Engineering & allied operations
4
576 - Genetics & evolution
3
614 - Incidence & prevention of disease
1