Drugs Word AssociationVersión en línea drugs words por kenneth thomas 1 Group 1 2 Group 2 3 Group 3 4 Group 4 5 Group 5 6 Group 6 Tetracycline brown teeth sulfa competes with paba streptomycin inhibits protein synthesis penicillin inhibits cell wall synthesis anticholinurgic bronchiodialator SSRI antidepressant