Chromosome 21 trisomy:Arb:Pt:Bld/Tiss:Ord:Cytogenetics
chromosome 21 trisomy:arb:pt:bld/tiss:ord:cytogenetics
Chromosome 21 trisomy:Arbitrary:To identify measures at a point in time:Whole blood/Tissue, unspecified:Ordinal:Cytogenetics
chromosome 21 trisomy:arbitrary:to identify measures at a point in time:whole blood/tissue, unspecified:ordinal:cytogenetics