1. The determination of chromium and calcium in the faeces by flame spectrophotometer;Anderson, J.; Weinbren, I.;Clin. chim. Acta,1961
2. The determination of magnesium in biological materials by atomic absorption spectrophotometry;Dawson, J.B.; Heaton, F.W.;Biochem. J,1961
3. The colorimetric determination of phosphorus;Fiske, C.H.; Subbarow, Y.;J. biol. Chem,1925
4. Observations on the use of markers in determining food transit times in the cat;Humphreys, E.R.; Scott, P.P.;J. Physiol. (Lond.),1962
5. The flame-spectrophotometric determination of calcium in biological fluids and on isotopic analysis of the errors in the Kramer-Tisdall procedure;Maclntyre, I.;Biochem. J,1957