1. Sevag, M. G., Arch. Biochem. Biophys., 108, 85 (1964).
2. Sevag, M. G., and Drabble, W. T., Biochem. Biophys. Res. Commun., 8, 446 (1962).
3. Drabble, W. T., and Sevag, M. G., Antimicrobial Agents and Chemotherapy, 3, 649 (Amer. Soc. Microbiol., Ann Arbor, Michigan, 1962).
4. Sevag, M. G., and Ashton, B., Nature, 203, 1323 (1964).
5. Sevag, M. G., and Ashton, B., Antimicrobial Agents and Chemotherapy, 4, 410 (Amer. Soc. Microbiol., Ann Arbor, Michigan, 1964).