Materia
RT Nursing
RA0421 Public health. Hygiene. Preventive Medicine
18
R Medicine (General)
14
L Education (General)
11
RA Public aspects of medicine
7
LB2300 Higher Education
6
RC Internal medicine
5
HM Sociology
3
LC Special aspects of education
3
H Social Sciences (General)
2
HN Social history and conditions. Social problems. Social reform
2
HT Communities. Classes. Races
2
HV Social pathology. Social and public welfare
2
LB Theory and practice of education
2
RC0254 Neoplasms. Tumors. Oncology (including Cancer)
2
T Technology (General)
2
B Philosophy (General)
1
BF Psychology
1
HQ The family. Marriage. Woman
1
LB1603 Secondary Education. High schools
1
LB2361 Curriculum
1
LC5201 Education extension. Adult education. Continuing education
1
LE Individual institutions (America except United States)
1
Q Science (General)
1
QP Physiology
1
QR180 Immunology
1
QR355 Virology
1
RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
1
RD Surgery
1
RG Gynecology and obstetrics
1
RJ101 Child Health. Child health services
1
RM Therapeutics. Pharmacology
1
RZ Other systems of medicine
1