TY - BOOK AU - DePoy, Elizabeth. AU - Gitlin, Laura N., ED - ED - ED - ED - TI - : understanding and applying multiple strategies SN - 0323028535 (paperback) SN - 2 PY - 2005///.;copyright 200546 CY - St. Louis, Missouri PB - Elsevier Mosby KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Research;Methodology.;Research;Methodology.;Research;Methodology.;methods KW - Public health;Medical care;Human services;Experimental design.;Research Design.;Health Services Research N1 - Includes bibliographical references and index; 5; Professional ER -