title: [G gamma/A gamma ratio of fetal hemoglobin of the newborn in Beijing and gene mapping of eighteen cases with abnormal G gamma/A gamma ratios].
authors: Z F
authors: ZF
authors: Zhu
mesh_terms: D002681:China; D002872:Chromosome Deletion; D002874:Chromosome Mapping; D005006:Ethnicity; D005312:Fetal Blood / Q000032:analysis; D005319:Fetal Hemoglobin / Q000235:genetics*; D005838:Genotype; D006801:Humans; D007231:Infant, Newborn / Q000097:blood*
chemical_list: D005319:Fetal Hemoglobin