TY - GEN AU - Brown,D L AU - Doubilet,P M TI - Transvaginal sonography for diagnosing ectopic pregnancy: positivity criteria and performance characteristics SN - 0278-4297 PY - 1994///1110 KW - Bayes Theorem KW - Female KW - Humans KW - Predictive Value of Tests KW - Pregnancy KW - Pregnancy, Ectopic KW - diagnostic imaging KW - Prevalence KW - Sensitivity and Specificity KW - Ultrasonography, Prenatal KW - methods N1 - Publication Type: Journal Article; Meta-Analysis UR - https://doi.org/10.7863/jum.1994.13.4.259 ER -