536,843 ANTIBIOTIC Antibiotic associated colitis and clostridium difficile. A Symposium held at the Swedish Medical Society Stockholm, Sweden, August 23.1979. Ed. by Lars Olof Ballings, Roland MSllby, Carl Erik Uord. Stockholm 1980 Almqvist and Wiksell 8°s. 52, il. Scandinavian. Journal of Infectious Diseases, suppl. 22