Kołodziejczak, Małgorzata, Iwona Sudoł-Szopińska, Maciej Grochowicz, Anna Bochenek, and Magdalena Światłowska. “The Estimation of the Value and Mobility of Parks Angle in Case-Series of Patients With Defecatory Disorders - Prospective Clinical Examination Supplemented With the Defecographic Examination”. Radiology and Oncology 40, no. 1 (March 1, 2006). Accessed December 21, 2025. https://www.radioloncol.com/index.php/ro/article/view/1271.