1. Susceptibility of pneumococci to nine antibiotics;Kislak, J.W.; Razavi, L.M.B.; Daly, A.K.; Finland, M.;Am J MedSci,1965
2. A resistant pneumococcus;Hansman, D.; Bullen, M.M.;Lancet,1967
3. Penicillin-resistant pneumonocci;Anonymous,1971
4. Tetracycline resistant pneumococcus;Evans, L.; Hansman, D.;Lancet,1963
5. Type 6 pneumococcus resistant to erythromycin and lincomycin;Kislak, J.W.;N Engl J Med,1967