title: Phenotypic heterogeneity in the Noonan syndrome.
mesh_terms: D000328:Adult; D002648:Child; D003394:Craniofacial Dysostosis / Q000235:genetics; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics; D008297:Male; D009634:Noonan Syndrome / Q000145:classification / Q000235:genetics*; D010375:Pedigree; D010641:Phenotype