1. The estimation of thyroxine in human plasma by an electrophoretic technique;Ekins;Clin. Chim. Acta,1960
2. Determination of total serumthyroxine in the dog by competitive protein binding of labelled thyroxine;Kallfelz;Am. J. Vet. Res.,1969
3. Kaplan , B. C. 1966 A simple method for the determination of serum thyroxine, a talk presented before the bioanalysis section. American Association for the Advancement of Science, 133rd Meeting
4. Determination of serum thyroxine using a resin sponge technique;Kennedy;J. Clin. Path.,1967
5. Application of the property of protein-binding to the assay of minute quantities of hormones and other substances;Murphy;Nature,1964