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Bulletin of the World Health Organization

Print version ISSN 0042-9686

Bull World Health Organ vol.87 n.12 Genebra Dec. 2009 




In volume 87, Number 11, November 2009, page 871, the last sentence of the 5th paragraph in the “Context” section should read: “It was to be sprayed at 0.03 g of active ingredient per square metre of interior wall.5”.