TY  - GEN
AU  - Senaviratne , H.M.M.B.
TI  - Environment and health
SN  - 9559880845
U1  - 363.7 
PY  - 2007///
CY  - Matale
PB  - Author
KW  - ENVIRONMENTAL HEALTH
KW  - SOCIAL PROBLEMS
ER  -