Hermans, PWMSluijter, MElzenaar, K), (van Leeuwen, WJde Neeling, AJvan Klingeren, Bal., et2025-03-142025-03-141997https://rivm.openrepository.com/handle/10029/637087Penicillin-resistant Streptococcus pneumoniae in the Netherlands: results of a 1-year molecular epidemiologic survey.ArticleJ Infect Dis 1997; 175:1413-222025-03-14