TY - BOOK AU - Polit, Denise F. AU - Beck, Cheryl Tatano TI - Nursing research : : generating and assessing evidence for nursing practice SN - 9780781794688 AV - RT81.5 .P64 2008 PY - 2008/// CY - Philadelphia PB - Wolters Kluwer Health KW - Nursing KW - Research KW - Nursing Research KW - methods N1 - Includes bibliographical references (p. 731-746) and index ER -