[Translated article] Course of Spontaneous Primary Umbilical Endometriosis With Pregnancy A. López Mateos; J.L. Agudo Mena; M.A. Cuenca Sáez; J.M. Azaña Defez;

[Translated article] Chronic Lichenoid Folliculitis Decalvans A. López Mateos; S. Plata Clemente; C. Guerrero Ramírez; J.M. Azaña Defez;

Endometriosis umbilical espontánea primaria. Evolución durante el embarazo A. López Mateos; J.L. Agudo Mena; M.A. Cuenca Sáez; J.M. Azaña Defez;