On the scope and methodology of research in public health practice.
D003695:Delivery of Health Care; D004467:Economics; D004812:Epidemiologic Methods; D005069:Evaluation Studies as Topic; D006268:Health Facilities / Q000706:statistics & numerical data; D006285:Health Planning; D008962:Models, Theoretical; D009874:Operations Research; D010548:Personal Health Services; D011634:Public Health; D011996:Records; D012106:Research; D012924:Social Conditions; D013597:Systems Analysis