title: Being positive about the smear.
authors.forename: R
authors.initials: R
authors.lastname: Freeman
authors.forename: J G
authors.initials: JG
authors.lastname: Magee
authors.forename: B
authors.initials: B
authors.lastname: Watt
authors.forename: A B
authors.initials: AB
authors.lastname: Rayner
mesh_terms: D006801:Humans; D008828:Microbiological Techniques / Q000592:standards; D016133:Polymerase Chain Reaction / Q000379:methods; D012680:Sensitivity and Specificity; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis*