Petrou, A., P. Tzimas, G. Papadopoulos, and D. M. Habil. “Electro-Acupuncture for Chronic Pelvic Pain; Two Interesting Cases”. Anaesthesia, Pain & Intensive Care, Jan. 2019, pp. 484-7, https://apicareonline.com/index.php/APIC/article/view/171.