article 2002 The effect of a levonorgestrel intrauterine system (LNG-IUS) on symptomatic endometriosis ·doi:10.1016/s0015-0282(01)03086-2
article 2002 The prevalence of large bowel-to-side-wall adhesions in women with endometriosis ·doi:10.1016/s0015-0282(01)03116-8