1700. Further light on the strontium/alginate story: Hodgkinson, A., Nordin, B. E. C., Hambleton, Joan & Oxby, C. B. (1967). Radiostrontium absorption in man: Suppression by calcium and by sodium alginate. Can. med. Ass. J.97, 1139. Triffitt, J. T. (1968). Binding of calcium and strontium by alginates. Nature, Lond.217, 457. Humphreys, E. R. & Triffitt, J. T. (1968). Absorption by the rat of alginate labelled with carbon-14. Nature, Lond.219, 1172