TY  - RPRT
TI  - Bone morphogenetic protein 4: a ventralizing factor in early Xenopus development.
AU  - L Dale
AU  - G Howes
AU  - B M Price
AU  - J C Smith
PY  - 1992
DO  - 10.1242/dev.115.2.573
UR  - https://pubmed.ncbi.nlm.nih.gov/1425340/
ID  - 1425340
ER  -