POLIT D.F.,BECK C.T. NURSING RESEARCH GENERATING AND ASSESSING EVIDENCE FOR NURSING PRACTICE - 8TH ED - LIPPINCOTTT WILLAMA & WILKINS, WOLTERS KIUWER. 2008 - XVIII,796 ISBN: 978-81-89960-31-5 Subjects--Topical Terms: NURSING RESEARCH Dewey Class. No.: 610.73