. . . . . . . . . . . . "[Methodology suitable for such studies is reviewed, various abnormal fetal hemoglobins are discussed, the occurrence of Hb Bart's (gamma 4) and of the embryonic zeta chain is evaluated, and the various types of gamma-globin gene rearrangements (-A gamma.A gamma-; -G gamma.G gamma-; gamma-thalassemia; gamma-globin gene triplications, quadruplications, and quintuplications) are compared.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2014-02-25"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2014-10-02T12:36:48+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .