TY - GEN AU - Goodman,Linnea R AU - Eichelberger,Kacey Y AU - Wolfe,Honor AU - Steiner,Anne Z TI - Efficient use of early obstetric sonography in the emergency department setting SN - 1550-9613 PY - 2013///0513 KW - Adult KW - Chorionic Gonadotropin, beta Subunit, Human KW - blood KW - Cohort Studies KW - Early Diagnosis KW - Emergency Service, Hospital KW - Female KW - Humans KW - Pregnancy KW - Pregnancy Complications KW - Retrospective Studies KW - Ultrasonography, Prenatal N1 - Publication Type: Journal Article UR - https://doi.org/10.7863/jum.2012.31.12.1917 ER -