1. Bacterial endocarditis due to a penicillin-tolerant group C streptococcus;Portnoy, D.; Wink, I.; Richards, G.K.; Blanc, M.Z.;Can Med Assoc,1980
2. Penicillin tolerance in Streptococcus faecalis;McDonald, M.; Miles, H.; Hart, D.; Sonenberg, N.;Lancet,1980
3. Nafcillintolerant Staphylococcus epidermidis endocarditis;Arthur, J.D.; Bass, J.W.; Keiser, J.F.; Harden, L.B.; Brown, S.L.,1982
4. Tolerant response of Streptococcus sanguis to beta-lactams and other cell wall inhibitors;Horne, D.; Tomasz, A.;Antimicrob Agents Chemother,1977