TY  - RPRT
TI  - Induction of mesodermal and endodermal structures and primordial germ cells in Triturus ectoderm by a vegetalizing factor from chick embryos.
AU  - U Kocher-Becker
AU  - H Tiedemann
PY  - 1971
DO  - 10.1038/233065a0
UR  - https://pubmed.ncbi.nlm.nih.gov/12058746/
ID  - 12058746
ER  -