Mhalu, Grace Do Instructional Videos on Sputum Submission Result in Increased Tuberculosis Case Detection? A Randomized Controlled Trial. [electronic resource] - PloS one 2015 - e0138413 p. digital Publication Type: Journal Article; Randomized Controlled Trial ISSN: 1932-6203 Standard No.: 10.1371/journal.pone.0138413 doi Subjects--Topical Terms: AdultFemaleHumansMaleMiddle AgedMycobacterium tuberculosis--isolation & purificationPatient Education as Topic--methodsSputum--microbiologySurveys and QuestionnairesTanzaniaTuberculosis, Pulmonary--diagnosis