TY  - GEN
AU  - Hewavisenthi , S.
AU  - Pinto , M. L.
AU  - Ratnasiri , N. B. 
TI  - Zoology : animal physiology II block II B
U1  - 571.1 
PY  - 1988///
CY  - Sri Lanka
PB  - Open university of Sri Lanka
KW  - DIGESTIVE SYSTEM
KW  - ANIMAL PHYSIOLOGY
KW  - ZOOLOGY
ER  -