1. Clinical Chemistry;Burtis,1994
2. Titrimetric Determination of Ascorbic Acid with 2,6-Dichlorophenol Indophenol in Commercial Liquid Diets
3. United States Pharmacopeia XXI, The National Formulary, XXVI, US Pharmacopeial Convention, Rockville, MD, 1985 pp. 75–76.
4. British Pharmacopeia, 5th edn., HMSO, London, vol. II, 1988, p. 901.
5. Notes