1. Presumptive identification of anaerobic nonsporeforming gram-negative bacilli;Dowell,1977
2. Anaerobe laboratory manual,1977
3. Identification and antimicrobial susceptibility of 250 Bacteroides fragilis subspecies tested by broth microdilution methods;Jones;Antimicrob. Agents Chemother.,1976
4. Color atlas and textbook of diagnostic microbiology;Koneman,1979
5. Alternative approaches to biochemical differentiation of anaerobic bacteria;Stargel;Am. J. Med. Technol.,1978