TY  - GEN
AU  - Counselman,F L
AU  - Shaar,G S
AU  - Heller,R A
AU  - King,D K
TI  - Quantitative B-hCG levels less than 1000 mIU/mL in patients with ectopic pregnancy: pelvic ultrasound still useful
SN  - 0736-4679
PY  - 1998///1208
KW  - Adolescent
KW  - Adult
KW  - Chorionic Gonadotropin, beta Subunit, Human
KW  - blood
KW  - Emergency Service, Hospital
KW  - Female
KW  - Humans
KW  - Pregnancy
KW  - Pregnancy, Ectopic
KW  - Retrospective Studies
KW  - Ultrasonography
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1016/s0736-4679(98)00081-x
ER  -