TY  - BOOK
AU  - Fletcher,Robert H.
AU  - Fletcher,Suzanne W.
TI  - Clinical epidemiology: the essentials 
SN  - 078177571x
AV  - RA652.2 .C55F57 2005
U1  - 614.4 
PY  - 2005///
CY  - India
PB  - Lippincott Williams & Wilkins
KW  - Clinical epidemiology
KW  - Epidemiologic
KW  - Methods
ER  -