1. An uncommon cause of back pain in pregnancy;Vadivelu;Postgrad Med J,2005
2. Osteítis condensans ilii;Albadalejo;Aten Primaria,1993
3. Worsening back pain in pregnancy;Lam;Hong Kong Med J,2007
4. Osteitis condensans ilii: a case report;Kogon;WB Lakeshore,1980
5. Wilfred C. Osteítis condensans ilii. Disponible en: www.amjorthopedics.com/html/ima/pd/april01.pdf