TY  - RPRT
TI  - Early embryonic coats: morphology, function, practical applications. An overview.
AU  - A Herrler
AU  - H M Beier
PY  - 2000
DO  - 10.1159/000016736
UR  - https://pubmed.ncbi.nlm.nih.gov/10729731/
ID  - 10729731
ER  -