1. The colorimetric determination of lactic acid in biological material;Barker, S.B.; Summerson, W.H.;Journal of Biological Chemistry,1941
2. A simplified method for the determination of citric acid;Beutler, E.; Yeh, M.K.Y.;Journal of Laboratory and Clinical Medicine,1959
3. Discussion on motor neurone disease. Biochemical aspects;Cumings, J.N.;Proceedings of the Royal Society of Medicine,1962
4. A simplified and improved method for determination of sugar;Folin, O.; Wu, H.;Journal of Biological Chemistry,1920
5. Pyruvic acid: determination of keto acids in blood and urine;Friedemann, T.E.; Haugen, G.E.;Journal of Biological Chemistry,1943