TY  - BOOK
AU  - Guyatt, Gordon
AU  - Rennie, Drummond
TI  - Users'guides to the medical literature: essentials of evidence based clinical practice
SN  - 1579471919
U1  - 616 
PY  - 2002///
CY  - Chicago
PB  - AMA Press
KW  - EVIDENCE-BASED MEDICINE
KW  - Medical Literature
ER  -