TY  - GEN
AU  - Ramakrishnan,Kalyanakrishnan
AU  - Scheid,Dewey C
TI  - Ectopic pregnancy: forget the "classic presentation" if you want to catch it sooner
SN  - 0094-3509
PY  - 2006///0627
KW  - Algorithms
KW  - Biomarkers
KW  - blood
KW  - Chorionic Gonadotropin, beta Subunit, Human
KW  - Decision Trees
KW  - Female
KW  - Humans
KW  - Pregnancy
KW  - Pregnancy, Ectopic
KW  - Risk Factors
KW  - Sensitivity and Specificity
KW  - Ultrasonography
N1  - Publication Type: Journal Article; Review
ER  -