Familial form of Hirschsprung disease: Nucleotide sequence studies reveal point mutations in the RET proto-oncogene in two of six families but not in other candidate genes. - Munnes,M.; Fanaei,S.; Schmitz,B.; Muiznieks,I.; Holschneider,A.M.; Doerfler,W. (Am J Med Genet, 2000)