TY - BOOK AU - Polit,Denise F. AU - Hungler,Bernadette P. TI - Essentials of nursing research: methods, appraisals, and utilization SN - 0397553684 (alk. paper) AV - RT81.5 .P76 1997 U1 - 610.73/072 20 PY - 1997/// CY - Philadelphia, Pa. PB - Lippincott-Raven KW - Nursing KW - Research N1 - Includes bibliographical references and indexes ER -