Classification
570 - Life sciences; biology
12
610 - Medicine & health
11
170 - Ethics
6
000 - Computer science, information & general works
2
174 - Occupational ethics
2
001 - Knowledge
1
140 - Specific philosophical schools
1
330 - Economics
1
370 - Education
1
540 - Chemistry & allied sciences
1
542 - Techniques, equipment & materials
1
600 - Technology
1
660 - Chemical engineering
1