TY  - RPRT
TI  - Activin as a cell differentiation factor.
AU  - N Ueno
AU  - S Nishimatsu
AU  - K Murakami
PY  - 1990
DO  - 10.1016/0955-2235(90)90027-h
UR  - https://pubmed.ncbi.nlm.nih.gov/1966558/
ID  - 1966558
ER  -