TY  - BOOK
AU  - Polit, Denise F.
TI  - Essentials of nursing research : : methods, appraisal, and utilization / 
SN  - 9780781749725
PY  - 2003///
CY  - Philadelphia : 
PB  - Lippincott Williams & Wilkins
KW  - Nursing
KW  - Research
N1  - Includes bibliographical references and index
ER  -