TY - BOOK AU - Department of health TI - Public health reports T2 - 72 U1 - 614.5 PY - 1957/// PB - U.S.Department of health,education,and welfare KW - Health and Hygiene KW - Public health--United States | Epidemiology--USPHS N1 - Public Health; Epidemiology; United States; Communicable Diseases; Community Health ER -