van Soolingen, Dde Boer, ASAlito, AMorcillo, N2025-03-172025-03-171999https://rivm.openrepository.com/handle/10029/637799Author's reply to: Stability of IS6110 restriction fragment length polymorphism patterns of multidrug-resistant Mycobacterium tuberculosis strains [Letter to the editor by Niemann S, Richter E, Rusch-Gerdes S]ArticleJ Clin Microbiol 1999; 37:3078-92025-03-17