. . . . . . . "[It is usually caused by molecular defects of 3 of 4 ?-globin genes (--/-?) which cause ?-globin expression to be decreased.HbH disease is rare in Japan.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2017-02-19"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:13:12+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .