1. Chemical studies on genetic variants of human haptoglobin;Dixon, G.H.; Smithies, O.; Connell, G.E.;Fed. Proc,1962
2. Haptoglobin sub-types in three racial groups;Giblett, E.R.; Brooks, L.E.;Nature (Lond.),1963
3. New haptoglobin alleles: a prediction confirmed;Nance, W. E.; Smithies, 0;ibid,1963
4. The distribution of haptoglobin subtypes in various populations, including subtype patterns in some nonhuman primates;Shim, B.-S.; Bearn, A.;Amer. J7. hum. Genet,1964
5. Zone electrophoresis in starch gels: group variations in the serum proteins of normal human adults;Smithies, 0;Biochem. J,1955