TY - BOOK AU - Polit, Denise F. TI - Nursing research : generating and assessing evidence for nursing practice SN - 9781451109146 AV - RT81.5.P64 2012 PY - 2012/// CY - Philadelphia PB - Wolters Kluwer Health/Lippincott Williams & Wilkins KW - Nursing--Research--Methodology N1 - Includes bibliographical references (pages 753-771) and index ER -