Classification
617 - Surgery & related medical specialties
006 - Special computer methods
44
616 - Diseases
10
610 - Medicine & health
2
658 - General management
2
170 - Ethics
1
330 - Economics
1
338 - Production
1
535 - Light & infrared & ultraviolet phenomena
1
539 - Modern physics
1
602 - Miscellany
1
620 - Engineering & allied operations
1
900 - History & geography
1