TY - BOOK AU - Polit,Denise F. AU - Beck,Cheryl Tatano TI - Nursing research: generating and assessing evidence for nursing practice SN - 1451109148 (pbk.) PY - 2012/// CY - Philadelphia PB - Wolters Kluwer Health/Lippincott Williams and Wilkins KW - Nursing KW - Research KW - Methodology KW - Nursing Research KW - methods N1 - Includes index; Includes bibliographical references ER -