title: BSE uncertainties drag on.
abstract: A recent mix-up in studies on brain tissue of animals has set back Britain's efforts to determine human exposure to the BSE agent through contaminated meat products. Nigel Williams reports.
authors.forename: N
authors.initials: N
authors.lastname: Williams
mesh_terms: D000818:Animals; D001921:Brain / Q000473:pathology*; D002417:Cattle; D007562:Creutzfeldt-Jakob Syndrome / Q000453:epidemiology; D016643:Encephalopathy, Bovine Spongiform / Q000175:diagnosis / Q000453:epidemiology / Q000473:pathology*; D006801:Humans; D012756:Sheep; D012757:Sheep Diseases / Q000175:diagnosis / Q000453:epidemiology / Q000473:pathology*; D006113:United Kingdom / Q000453:epidemiology