TY  - BOOK
AU  - Polit, Denise. F
AU  - Beck, Cheryl. T
TI  - essentials of nursing research appraising evidence for nursing practice
SN  - 97807781781534
U1  - 610.73072 
PY  - 2010///
CY  - tokyo
PB  - wolters kluwer
KW  -  
ER  -