Classification
572 - Biochemistry
547 - Organic chemistry
43
500 - Natural sciences & mathematics
19
519 - Probabilities & applied mathematics
5
510 - Mathematics
4
570 - Life sciences; biology
3
571 - Physiology & related subjects
3
620 - Engineering & allied operations
3
331 - Labor economics
2
658 - General management
2
000 - Computer science, information & general works
1
384 - Communications; telecommunication
1
576 - Genetics & evolution
1
580 - Plants (Botany)
1
610 - Medicine & health
1
612 - Human physiology
1
621 - Applied physics
1
641 - Food & drink
1