POLIT, Denise F. , BECK, Cheryl Tatano and HUNGLER, Bernadette Essential of Nursing Research: methods, appraisal, and utilization / - Fifth Edition - New York, Lippincott Williams & Wilkins 2001, - xviii, 524p.: ill.; 23 cm. Includes bibliographical references and index. ISBN: 0781725577 Subjects--Topical Terms: Medical Science Dewey Class. No.: 610.73' 07' 2