Classification
HCN - Nuclear medicine
4
HDG - Psychology, psychiatry
2
AHPE - Philosophy of Science
1
CWE - Chemical engineering, chemical industry - general
1
CWG - Principles of chemical engineering
1
HVG - Gastroenterology, pancreatic diseases, liver diseases
1
LGO - Sociobiology, ethology
1
MAD - Mathematics - comprehensive works
1
PEJ - Laser physics, laser materials
1
YRB - Social sciences, sociology
1