TY  - BOOK
AU  - Singh,K.P.
AU  - Srivastava,A.K.
TI  - Chemical pollution in enironment
U1  - 614.7 
PY  - 1995///.
CY  - New Delhi
PB  - Ashish Publishing House
KW  - Immunotoxicity evaluation
KW  - Organisation of immune system
ER  -