TY  - RPRT
TI  - Extra-amniotic pregnancy.
AU  - J C Smulian
AU  - T Soffer
PY  - 1991
DO  - 10.7863/jum.1991.10.9.528
UR  - https://pubmed.ncbi.nlm.nih.gov/1920598/
ID  - 1920598
ER  -