KRAS gene mutations in Noonan syndrome familial cases cluster in the vicinity of the switch II region of the G-domain: report of another family with metopic craniosynostosis - Brasil, Amanda S.; Malaquias, Alexsandra C.; Kim, Chong A.; Krieger, José Eduardo; Jorge, Alexander Augusto de Lima; Pereira, Alexandre C.; Bertola, Débora Romeo (American journal of medical genetics part. A, 2012)