TY  - RPRT
TI  - Ectopic pregnancy.
AU  - C W Nager
AU  - A A Murphy
PY  - 1991
DO  - 10.1097/00003081-199106000-00024
UR  - https://pubmed.ncbi.nlm.nih.gov/1831078/
ID  - 1831078
ER  -