TY  - BOOK
AU  - NULL
TI  - Clinical evidence concise :  The international source of the best available evidence for effective health care
SN  - 978 0 9548965 0 8
U1  - 610 724 CLI NO3 
PY  - 2004///
CY  - London
PB  -  BMJ Publishing group
KW  - EVIDENCE BASED MEDICINE
ER  -