Co-occurring PTPN11 and SOS1 gene mutations in Noonan syndrome: does this predict a more severe phenotype?

Heterozygous Germline Mutations in the CBL Tumor-Suppressor Gene Cause a Noonan Syndrome-like Phenotype

(2010) Simone Martinelli et al.   AMERICAN JOURNAL OF HUMAN GENETICS

PTPN11 and KRAS Gene Analysis in Patients with Noonan and Noonan-Like Syndromes

(2010) Amanda Salem Brasil et al.   Genetic Testing and Molecular Biomarkers

IndependentNF1andPTPN11mutations in a family with neurofibromatosis-Noonan syndrome

(2009) Christian Thiel et al.   AMERICAN JOURNAL OF MEDICAL GENETICS PART A

GermlineBRAFmutations in Noonan, LEOPARD, and cardiofaciocutaneous syndromes: Molecular diversity and associated phenotypic spectrum

(2009) Anna Sarkozy et al.   HUMAN MUTATION

Visual Function in Noonan and LEOPARD Syndrome

(2009) P. Alfieri et al.   NEUROPEDIATRICS

PTPN11, SOS1, KRAS, and RAF1 gene analysis, and genotype–phenotype correlation in Korean patients with Noonan syndrome

(2008) Jung Min Ko et al.   JOURNAL OF HUMAN GENETICS