Matsuki, Yuka, Maki Mizogami, and Kenji Shigemi. 2019. “Successful Opioid Dose Reduction After Ganglion Impar Block in a Patient With Postoperative Micturition Pain”. Anaesthesia, Pain & Intensive Care, January, 377-79. https://mail.apicareonline.com/index.php/APIC/article/view/56.