TY - BOOK AU - Guest,Greg AU - Namey,Emily E. TI - Public health research methods SN - 9781452241333 (hardcover : alk. paper) AV - RA425 .P55 2015 U1 - 362.1 23 KW - Public Health KW - methods KW - Research Design KW - Epidemiologic Methods KW - Health Services Research N1 - Includes bibliographical references and indexes ER -