TY  - BOOK
AU  - Carol Buck, Alvaro Llopis, Enrique Najera and Milton Terris
TI  - The challenge of Epidemiology : Issues and Selected Readings
SN  - 81-203-1657-6
U1  - 614.4 
PB  - New Delhi : Prentice Hall of India Pvt Ltd
N1  - Donated by Lions Club Batticaloa
ER  -