TY - BOOK AU - Polit, Denise F. AU - Beck, Cheryl Tatano. AU - Hungler, Bernadette P. TI - Essentials of nursing research: study guide to accompany : methods, appraisal, and utilization SN - 0781725585 PY - 2001/// CY - Philadelphia PB - Lippincott KW - Nursing research KW - methods for essential nursing N1 - Includes bibliography references and index ER -