AU  - Ed:De Alwis Seneviratne, Rohini
AU  - Herath, H.M.S.S.D.
AU  - Fernando, Dulitha N
AU  - Lankatilake, Kantha N 
TI  - Occupational Health
SN  - 955-9021-13-3
U1  - 613.6 O11 
PB  - Sri Lanka:Department of Community Medicine, Faculty of Medicine
ER  -