TY  - GEN
AU  - KEHRER,E
TI  - [Present state of the biology and pathology of the chorion.  A.  Development of the egg and the mutual egg-mother relation]
SN  - 0044-278X
PY  - 2003///0501
KW  - Biology
KW  - Chorion
KW  - Mothers
N1  - Publication Type: Journal Article
ER  -