TY  - RPRT
TI  - Serial human chorionic gonadotropin determinations by fluoroimmunoassay for differentiation between intrauterine and ectopic gestation.
AU  - B Lindblom
AU  - M Hahlin
AU  - P Sjöblom
PY  - 1989
DO  - 10.1016/0002-9378(89)90530-9
UR  - https://pubmed.ncbi.nlm.nih.gov/2527464/
ID  - 2527464
ER  -