H. BARCROFT, Q. H. GIBSON and D. C. HARRISON 



•Gibson, Q. H. Bio-chem. J. 37(1943)615 



7 — Bio-chem. J. 42 (1948) 13 



8 Straub, F. B. Bio-chem. J. 33(1939)787 



9 Corran, H. S., Green, D. E. and Straub, F. B. Bio-chem. J. 33 (1939) 793 



10 Harrison, D. C. Unpublished 



11 Dickens, F. Bio-chem. J. 32 (1938) 1626 



12 Kiese, M. and Schwartzkopff, W. Arch. exp. Path. Pharmak. 204 (1947) 267 



13 — M. Bio-chem. Z. 316(1944)264 



u _ Arc } u exp , p am , pharmak. 204 (1947) 288 



15 Stokvis, B. J. Ned. Tijdschr. Geneesk. 2 (1902) 678 



16 van den Bergh, A. A. H. Dtsch. Arch. klin. Med. 83 (1905) 86 



17 Wallis, R. L. M. Quart. J. Med. 7 (1913) 73 



18 Fishberg, E. H. /. biol. Chem. Ill (1948) 155 



19 Gibson, Q. H. and Harrison, D. C. Lancet (1947) (2) 941 



20 Sievers, R. F. and Ryon, J. B. Arch, intern. Med. 76 (1946) 299 



21 Lohmann, K. and Meyerhof, O. Biochem. Z. 273 (1934) 60 

 12 Hitzenberger, K. Wien. Arch. inn. Med. 23 (1932) 85 



M Darling, R. C. and Roughton, F. J. W. Amer. J.Physiol. 137(1942)56 



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