TY  - BOOK
AU  - Polit,Denise F.
AU  - Beck,Cheryl Tatano
TI  - Essentials of nursing research : appraising evidence for nursing practice
SN  - 9781609130046
PY  - 2010///
CY  - Philadelphia
PB  - Lippincott Williams & Wilkins
KW  - Nursing research
KW  - methods
N1  - Includes bibliographical references and index
ER  -