1. Baker, P.J., J.S. Slots, R.J. Genco, and R.T. Evans. 1983. Minimal inhibitory concentrations of various antimicrobial agents for human oral anaerobic bacteria. Antimicrob. Agents Chemother. 24:420–424.
2. Brook, I. 1987. Role of anaerobic betα-lactamase-producing bacteria in upper respiratory tract infections. Pediatr. Infect. Dis. J. 6:310–316.
3. Crook, D.W., GJ. Cuchural, Jr., N.V. Jacobus, and F.P. Tally. 1988. Antimicrobial resistance in oral and colonic Bacteroides. Scand. J. Infect. Dis. (Suppl.) 57:55–64.
4. Fukushima, H., A. Progulske-Fox, and C.B. Walker. 1988. The presence of plasmids in oral isolates of Bacteroides intermedins. J. Dent. Res. 67:331.
5. Guiney, D.G. and K. Bouic. 1990. Detection of conjugal transfer systems in oral, black-pigmented Bacteroidesspp. J. Bacteriol. 172:495–497.