TY  - GEN
AU  - Bergsma,D.
ED  - Symposium on the Placenta, New York, 1964.
TI  - Placenta; its form and functions, with particular reference to the prevention of birth defects and fetal deaths
T2  - (Birth defects; original article series, v.1, no. 1, April 1965)
PY  - 1965///
CY  - New York : 
PB  - National Foundation
KW  - Placenta
KW  - Congresses
KW  - Pregnancy complications
ER  -