iusCOCA¹⁰⁴²⁴³BNC⁹⁷²³³⁺⁷ 基本例句 abbr.International Union of Students 国际学生联合会 Objective To evaluate the efficacy and safety of a levonorgestrel- releasing intrauterine system LNG- IUS in the treatment of endometriosis associated pain after conservative surgery. 目的评价左炔诺孕酮宫内释放系统 LNG- IUS对经保守手术后仍有疼痛的子宫内膜异位症患者的临床疗效和不良反应。 dictall