TY  - GEN
AU  - Chandrananda ,W. P. N.
AU  - Hewavisenthi , S.
AU  - Wijesinghe , H.
AU  - Ratnasiri , Nalini B. 
TI  - Zoology psu 2101: animal physiology II-block 1
U1  - 571.1 
PY  - 1987///
CY  - Nugegoda
PB  - Open university of Sri Lanka
KW  - MALE
KW  - EXCRETION
KW  - ZOOLOGY ANIMAL PHYSIOLOGY
KW  - CIRCULATORY SYSTEM
KW  - REPRODUCTION
KW  - FEMALE REPRODUCTIVE SYSTEMS
ER  -