. . . . . . . "[Previous studies have suggested that HbF levels in SS individuals with alpha-thalassemia (two or three functional alpha-globin genes) are lower than HbF levels in SS individuals with four normal alpha-globin genes.]. 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" .