1. Barker, S. B.: Further studies on the ceric-sulfate-arsenious acid reaction for the detection of various analogues of thyroxine. Biochem. J. 90, 214?219 (1964).
2. Bittner, D. L.: Thyroid disease: PBI, T4, free Thyroxine or T3. American Society of Clinical Pathologists. Chicago (Ill.) 1968.
3. Bittner, D. L., Grechman, R. J.: A semiautomated system for serum thyroxine (T4) by column. Presented before Technicon Symposium, October 1966.
4. ? Young, D. P., Maffe, M. R., Grechman, R. J.: An automated method for the bromination and quantitation of thyroxine in resin column eluates. Presented before the Thyroxine Round Table 1968 Annual Meeting. American Society of Clinical Pathologists. Miami (Florida) 1968.
5. Blanquet, P., Dunn, R. W., Tobias, C. A.: Isolation and quantitative estimation of iodide, thyroxine and substances related to thyroxine by means of an anion exchange resin. Arch. Biochem. Biophys. 58, 502?503 (1955).