TY  - BOOK
AU  - Jekel,James F...[et al]
TI  - Epidemiology, biostatistics and preventive medicine
SN  - 9781416034964
U1  - 614.4 
PY  - 2007///
CY  - Philadelphia
PB  - Saunders
KW  - Medicine,Preventive ;Biometry ;Medical statistics
ER  -