TY  - RPRT
TI  - Alpha-fetoprotein in abortion.
AU  - M Seppälä
AU  - E Ruoslahti
PY  - 1972
DO  - 10.1136/bmj.4.5843.769
UR  - https://pubmed.ncbi.nlm.nih.gov/4646508/
ID  - 4646508
ER  -