TY - BOOK AU - Polit,Denise F. AU - Beck,Cheryl Tatano TI - Nursing research: principles and methods SN - 0781737338 AV - RT 81.5.P64 2003 PY - 2004/// CY - Philadelphia PB - Lippincott Williams & Wilkins KW - Nursing KW - Research KW - Methodology KW - Nursing Research KW - methods N1 - Includes bibliographical references and index UR - http://www.loc.gov/catdir/enhancements/fy0711/2002043422-d.html ER -