AppelbaumPC. Worldwide development of antibiotic resistance in pneumococci. Eur J Clin Microbiol1987; 6: 367–77.
2.
WardJKoornhofH.Antibiotic-resistant pneumococci. In: RemingtonJSSwartzMJ, ed Current topics in infectious diseases.New York: McGraw Hill, 1980: 265–87.
3.
TweardyDTJacobsMRSpeckWT. Susceptibility of penicillin-resistant pneumococci to eighteen antimicrobials; implications for treatment of meningitisJ Antimicrob Chemother1983; 12: 133–9.
4.
JacobsMRKoornhofHJRobins-BrowneRMEmergence of multiply resistant pneumococci. New Engl J Med1978; 299: 735–40.
5.
Saez-NietoJAFontanalsDde JalonJ GarciaIsolation of Neisseria meningitidis strains with increase of penicillin minimal inhibitory concentrations. Epidemiol Infect1987; 99: 463–9.