TY  - GEN
AU  - Marill,K A
AU  - Ingmire,T E
AU  - Nelson,B K
TI  - Utility of a single beta HCG measurement to evaluate for absence of ectopic pregnancy
SN  - 0736-4679
PY  - 1999///0712
KW  - Biomarkers
KW  - Chorionic Gonadotropin, beta Subunit, Human
KW  - blood
KW  - Female
KW  - Humans
KW  - Likelihood Functions
KW  - Pregnancy
KW  - Pregnancy, Ectopic
KW  - diagnosis
KW  - Retrospective Studies
KW  - Sensitivity and Specificity
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1016/s0736-4679(99)00007-4
ER  -