TY  - RPRT
TI  - 'Cleavage fields': hypothesis on early embryonic development.
AU  - G Catalano
PY  - 1977
DO  - 10.1016/0045-6039(77)90033-1
UR  - https://pubmed.ncbi.nlm.nih.gov/560917/
ID  - 560917
ER  -