Polit, Denise F. Essentials of nursing research : study guide to accompany : methods, appraisal, and utilization. - 5th ed. - Philadelphia : Lippincott, 2001. - viii, 261 p. ill. 24 cm. Includes bibliography references and index. ISBN: 0781725585 Subjects--Topical Terms: Nursing researchmethods for essential nursing National Library of Medicine Call No.: WY 20.5 PE 2001