. . . . . . . . . . . . "[homozygous, or compound heterozygous PARK2 mutations, and mutations in GCH1 and TH, are rare even in a population of PD patients with early-onset of the disease.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2015-02-21"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2016-05-13T12:42:33+02:00"^^ . . . . . . . . . . . "v4.0.0.0" . "v4.0.0" .