Angelescu, M [The place of old and new beta-lactams in the therapy of infection]. [electronic resource] - Medicina interna (Bucharest, Romania : 1991) 1991 - 20-37 p. digital Publication Type: Journal Article; Review ISSN: 1220-5818 Subjects--Topical Terms: Anti-Bacterial Agents--chemistryBacterial Infections--drug therapyHumansbeta-Lactams