Misra, G, Sim, J, Jerreat, S, Coia, T, Ritchie, J, O'Brien, S, Watts, K, El-Gizawy, Z, "Laparoscopic ablation or excision with helium thermal coagulator versus electrodiathermy for the treatment of mild-to-moderate endometriosis: randomised controlled trial", BJOG: An International Journal of Obstetrics and Gynaecology, 2020