1. O'Brien, J. R.: Amer. J. Med. Sci.234, 373 (1957).
2. Cama, H. R., B. R. Das andSaroj Tawde: Ann. Biochem. Exp. Med. (India)20 281 (1960).
3. : Ann. Biochem. Exp. Med. (India)20, 287 (1960)
4. Cama, H. R., B. R. Das andSaroj Tawde: Ann. Biochem. Exp. Med. (India) in Press.
5. Kolmer, J. A., andF. Boerner Approved Laboratory Technique, 4th. edit., p. 98. London: D-Appleton-Century Co. 1945