Classification
616 - Diseases
43
571 - Physiology & related subjects
8
610 - Medicine & health
8
572 - Biochemistry
6
612 - Human physiology
5
620 - Engineering & allied operations
5
004 - Data processing & computer science
3
615 - Pharmacology & therapeutics
3
617 - Surgery & related medical specialties
3
005 - Computer programming, programs & data
2
061 - Organizations in North America
2
519 - Probabilities & applied mathematics
2
579 - Microorganisms, fungi & algae
2
613 - Personal health & safety
2
621 - Applied physics
2
006 - Special computer methods
1
057 - Serials in Slavic languages
1
307 - Communities
1
330 - Economics
1
381 - Commerce
1
500 - Natural sciences & mathematics
1
520 - Astronomy & allied sciences
1
618 - Gynecology, obstetrics, pediatrics & geriatrics
1
630 - Agriculture & related technologies
1