MOUBASHER, R Determinations of ammonia evolved from alpha-amino acids by peri-naphthindan-2,3,4-trione hydrate and its m-nitro derivative. [electronic resource] - The Journal of biological chemistry Jun 1950 - 693-6 p. digital Publication Type: Journal Article ISSN: 0021-9258 Subjects--Topical Terms: Amino AcidsAmmoniaAmmonium CompoundsNitrogenNitrogen CompoundsQuaternary Ammonium Compounds