Endometriosis of the round ligament presenting as inguinal hernia - Manzanera M; Loinaz C; López-Ríos F; Hernández D; Jiménez C; Gómez R; Rico P; Rodríguez DR; Castellón C; Hidalgo M; Moreno González E (Revista Espanola De Enfermedades Digestivas, 1996)