Eymard, D Non-beta-lactamase-producing penicillin-resistant Enterococcus faecium in a clinical setting. [electronic resource] - The Canadian journal of infectious diseases = Journal canadien des maladies infectieuses 1990 - 73-6 p. digital Publication Type: Journal Article ISSN: 1180-2332 Standard No.: 10.1155/1990/252859 doi