1. (1) Chida, T., K. Ishizu, K. Fukuda, and R. Nakaya. 1977. Susceptibility of anaerobic bacteria to a new semisynthetic penicillin T-1220 and related drugs. Igaku-no-Ayumi 101: 889-891.
2. (2) Finegold, S.M. 1977. Anaerobic bacteria in human diseases. Academic Press, New York.
3. (3) Matsubara, N., S. Minami, T. Muraoka, I. Saikawa, and S. Mitsuhashi. 1979. In vitro antibacterial activity of cefoperazone (T-1551), a new semisynthetic cephalosporin. Antimicrob. Agents Chemother. 16: 731-735.
4. (4) Mitsuoka, T., K. Ohno, Y. Benno, K. Suzuki, and K. Namba. 1976. Die Faekalflora bei Menschen. IV. Mitteilung: Vergleich des neu entwickelten Verfahrens mit dem bisherigen u blichen Verfahren zur Darmfloraanalyse. Zbl. Bakt. Hyg., I. Abt. Orig. A 234: 219-233.
5. (5) Nakamura, T., I. Hashimoto, Y. Sawada, J. Mikami, E. Bekki, S. Hirasawa, H. Abe, and Y. Watanabe. 1980. Cefoperazone concentration in bile and gall bladder wall after intravenous administration. Antimicrob. Agents Chemother. 18: 980-982.