TY - BOOK AU - Knox,E.G. AU - Acheson,Roy M. ED - International Epidemiological Association ED - WHO Study Group on Rheumatic Fever and Rheumatic Heart Disease TI - Epidemiology in health care planning: a guide to the uses of a scientific method SN - 0192612212 PY - 1979/// CY - New York PB - Oxford University Press KW - Epidemiology KW - Health planning KW - Medical care KW - Information services ER -