TY  - RPRT
TI  - Boundaries and fields in early embryos.
AU  - P W Ingham
AU  - A Martinez Arias
PY  - 1992
DO  - 10.1016/0092-8674(92)90467-q
UR  - https://pubmed.ncbi.nlm.nih.gov/1346367/
ID  - 1346367
ER  -