letter 2004 Subileus caused by intestinal endometriosis: experience from three cases International journal of colorectal disease ·doi:10.1007/s00384-004-0600-x
article 1996 P302 Severe mesenterial thrombosis can be a complication of continuously applied oestrogen and gestogen therapy ·doi:10.1016/s0378-5122(97)81493-4