%0 Journal Article %T Costello Syndrome and Umbilical Ligament Rhabdomyosarcoma in Two Pediatric Patients: Case Reports and Review of the Literature %A Alejandra Vilanova-S¨¢nchez %A Carlos S¨¢nchez-Montenegro %A Fernando Santos-Simarro %A Jair Tenorio %A Leopoldo Mart¨ªnez-Mart¨ªnez %A Pablo Lapunzina %A Saturnino Barrena-Delfa %A Sixto Garc¨ªa-Mi£¿aur %J Archive of "Case Reports in Genetics". %D 2017 %R 10.1155/2017/1587610 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5288506/