Dionysopoulou, A., Skala, C., Weiss, C., Hasenburg, A., & Albrich, S. (2020). Establishment of a new reference line for 2D transperineal ultrasound in urogynecology. Clinical Journal of Obstetrics and Gynecology, 3(2), 114–119. https://doi.org/10.29328/journal.cjog.1001061