Medicina 47 Medicine 37 Salud pública 36 History 32 Public health 30 Social aspects 27 Historia 25 General 23 Social Science 22 Ciencias sociales 21 Salud 19 Study and teaching 19 Educación 18 Health education 17 Psicología 17 methods 17 Education 16 Health and hygiene 16 Medical care 15 Prevention 15 Aspectos sociales 14 Treatment 14 Research 13 Psychology 12 Educación sanitaria 11 Health 11 Medical policy 11 prevention & control 11 Bioética 10 Environment 10