TY  - BOOK
AU  - Polit,Denise F.
AU  - Beck,Cheeryl Tatano
TI  - Essentials of nursing research : : methods, appraisals, and utilization / 
SN  - 078178252x
U1  - 610.73072 
PY  - 2006///]
CY  - Philadelphia
PB  - Lippincott Williams and Wilkins, 
KW  - Nursing
KW  - Research
KW  - Problems, exercises, etc
KW  - Nursing Research
ER  -