TY  - RPRT
TI  - An experimentally produced change in the sequence of neuralizing and mesodermalizing inductive actions.
AU  - S TOIVONEN
PY  - 1961
DO  - 10.1007/bf02171441
UR  - https://pubmed.ncbi.nlm.nih.gov/13777213/
ID  - 13777213
ER  -