1. Shadomy, S. and Espinal-Ingroff, A., in Lennett, E.H., Balows, A., Hausier, H.J. and Truant, J.P. (ed), Manual of Clinical Microbiology, 3rd Ed., p. 647, (1980).
2. Hopfer, R.L. and Groschel, D., Antimicrob. Agents Chemother., 11:277, (1977).
3. Bodenhoff, J., Odontol. Tidskr., 76:276, (1968).
4. Drutz, D.J. and Lehrer, R.I., Amer. J. Med. Sci., 276:77, (1978).
5. Safe, L.M., Safe, S.H., Subden, R.E. and Morris, D.J., Can. J. Microbiol., 23:398, (1977).