Birnbaum; Greenstein Archives of Biochemistry, 1953 , vol. 42, p. 212,214 Full Text Show Details Kitagawa; Monobe Journal of Biochemistry (Tokyo, Japan), 1933 , vol. 18, p. 333,337 Nippon Nogei Kagaku Kaishi, 1933 , vol. 9, p. 845,848