TY  - RPRT
TI  - Origin of amniotic fluid group-specific component.
AU  - R G Sutcliffe
AU  - D J Brock
PY  - 1972
DO  - 10.1038/238400a0
UR  - https://pubmed.ncbi.nlm.nih.gov/4559584/
ID  - 4559584
ER  -