TY - BOOK AU - Polit, Denise F., author. AU - Beck, Cheryl Tatano. TI - Nursing research : : generating and assessing evidence for nursing practice / SN - 9781496308924 (pbk. : international ed.) U1 - 610.73072 PY - 2017///] CY - Philadelphia PB - Wolters Kluwer, KW - Nursing Research KW - methods ER -