. . . . . . . . . . . . "[patients with congenital central hypoventilation syndrome who develop malignant tumors of the sympathetic nervous system harbor either a missense or a frameshift heterozygous mutation of the PHOX2B gene ]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2009-03-31"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2015-08-25T14:39:42+02:00"^^ . . . . . . . . . . . "v3.0.0.0" . "v3.0.0" .