Polit, Denise F. Study guide for essentials of nursing research : appraising evidence for nursing practice / Denise F. Polit, Cheryl Tatano Beck. - 8th ed. - Philadelphia : Wolters Kluwer Lippincott Williams & Wilkins, 2014. - v, 241 p. : ill. ; 25 cm. ISBN: 9781451176834 RM99.34 Subjects--Topical Terms: Nursing research. Index Terms--Genre/Form: Programmed Instruction.