Polit, Denise F. Nursing research : principles and methods / Denise F. Polit, Bernadette P. Hungler. - 5th ed. - Philadelphia : Lippincott, c1995. - xiv, 694 p. : ill. ; 25 cm. Includes bibliographical references and indexes. ISBN: 039755138X LCCN: 94030403 Subjects--Topical Terms: Nursing--Research--Methodology.Nursing Research--methods. LC Class. No.: RT81 / .5P75 1995 Dewey Class. No.: 610.73/072 National Library of Medicine Call No.: WY 20.5 P769n 1995