TY  - BOOK
AU  - Polit, Denise F.
AU  - Hungler, P. Bernadette.
TI  - Nursing research: Principles and methods
SN  - 0781746256
AV  - RT 81.5 .P64 1999 
PY  - 1999///
CY  - USA
PB  - Lippincott
KW  - Nursing
ER  -