TY  - BOOK
AU  -  Polit Denise F., Hungler Bernadete P.
TI  - Nursing research: principles and methods
SN  - 0397542208
U1  - WY20 
PY  - 1978///
CY  - Philadelphia
PB  - J.B. Lippincott
KW  - Research
KW  - Nursing
N2  -  Nursing, Research
ER  -