TY  - BOOK
AU  - Polit, Denise F.
AU  - Hungler, Bernadette P.
TI  - Essentials of nursing research: methods, appraisal, and utilization
SN  - 0397549229
PY  - 1993///
CY  - Philadelphia
PB  - J.B. Lippincott Company, 
KW  - Nursing research
N1  - Includes bibliographical references and index
ER  -