TY - BOOK AU - Polit, Denise F. AU - Hungler, Bernadette P. TI - Nursing research: principles and methods SN - 9715841566 U1 - Res 610.73072 P759 1995 PY - 1995/// CY - Philadelphia PB - J.B Lippincott Company. KW - Examination Questions N1 - Includes bibliographical references, appendices and indexes ER -