Lohmann, EMKoster, BFPJle Cessie, SKamst-van Agterveld, MPvan Soolingen, DArend, SM2025-03-212025-03-2120122296403810.5588/ijtld.12.0129https://rivm.openrepository.com/handle/10029/646207Grading of a positive sputum smear and the risk of Mycobacterium tuberculosis transmissionArticleInt J Tuberc Lung Dis 2012; 16(11):1477-842025-03-21