The Predictive Value of Decisive and Soft Ultrasound Criteria for Ectopic Pregnancy Identification in 321 Preoperative Cases. - Pape J; Bajka A; Strutas D; Burkhardt T; Imesch P; Fink D; Samartzis EP; Bajka M (Ultraschall in der Medizin (Stuttgart, Germany : 1980), 2023)