TY  - BOOK
AU  - Patten B M
TI  - Foundations of embryology
T2  - McGraw Hill publications in the zoological sciences
U1  - G9B, J81;1 
PY  - 1958///
CY  - New York    
PB  -  McGraw Hill       
KW  -  Embryology
KW  - Biology
ER  -