Gonenir Erbay, Lale, Yusuf Aydin, Bahar Yesil, and Rifat Karlidag. 2021. “Acute Urinary Retention Cuased by Biperiden in a Female Patient: A Case Report”. Annals of Medical Research 22 (4):0267-68. http://annalsmedres.org/index.php/aomr/article/view/1430.