article 2004 Role of CA 125, CA 19.9, and interleukin-6 in the diagnosis of endometriosis ·doi:10.1016/s1074-3804(04)80400-6
article 2003 Association rate between deep peritoneal endometriosis and other forms of the disease: Etiopathogenetic implications ·doi:10.1016/s1074-3804(03)80030-0