TY  - BOOK
AU  - Polit, Denise F.
AU  - Cheryl Tatano Beck. 
TI  -  Essentials of nursing research : appraising evidence for nursing practice
SN  - 978-0-7817-8153-4 
U1  - 610.73072 7th Edition 
PY  - 2010///
CY  - London
PB  - Wolters Kluwer Health | Lippincott Williams & Wilkins.
KW  - Nursing Research
N1  -  Includes bibliographical references and index
ER  -