Variant: rs66781836 

    present in Gene: A4GALT
    present in Chromosome: 22
    Position on Chromosome: 42719514
    Alleles of this Variant: TTCT/-;TTCTTTCT

rs66781836 in A4GALT gene and Red Blood Cell Count measurement PMID 27863252 2016 The Allelic Landscape of Human Blood Cell Trait Variation and Links to Common Complex Disease.