Classification
616 - Diseases
571 - Physiology & related subjects
803
579 - Microorganisms, fungi & algae
105
617 - Surgery & related medical specialties
43
362 - Social welfare problems & services
12
610 - Medicine & health
9
620 - Engineering & allied operations
6
576 - Genetics & evolution
4
331 - Labor economics
3
330 - Economics
2
380 - Commerce, communications & transportation
2
500 - Natural sciences & mathematics
2
000 - Computer science, information & general works
1
100 - Philosophy & psychology
1
338 - Production
1
340 - Law
1
363 - Other social problems & services
1
370 - Education
1
580 - Plants (Botany)
1
611 - Human anatomy, cytology & histology
1
614 - Incidence & prevention of disease
1
900 - History & geography
1