AU  - De Alwis,  Seneviratne Rohini
AU  - Herath,  HMSSD
AU  - Fernando,  Dulitha N
AU  - Lankatilake,  KN
TI  - Occupational Health A Handbook for Doctors
SN  - 955-9021-13-3
U1  - 613.6O11 
PB  - Dept of Community of Medicine
ER  -