Hermans, PWMSluijter, MDejsirilert, S), (Elzenaar, Kal., et2025-03-142025-03-141997https://rivm.openrepository.com/handle/10029/637040Molecular epidemiology of drug-resistant pneumococci: toward an international approach.ArticleMicrob Drug Resistance 1997; 3:243-512025-03-14