Xpert MTB/RIF versus sputum microscopy as the initial diagnostic test for tuberculosis: a cluster-randomised trial embedded in South African roll-out of Xpert MTB/RIF by Dr. Gavin J Churchyard, PhD, Wendy S Stevens, FCPath, Lerole D Mametja, MPH, Kerrigan M McCarthy, FCPath, Violet Chihota, PhD, Mark P Nicol, FCPath, Linda K Erasmus, MMed, Norbert O Ndjeka, MMed, Lindiwe Mvusi, MBBCh, Anna Vassall, PhD, Edina Sinanovic, PhD, Helen S Cox, PhD, Christopher Dye, DPhil, Alison D Grant, PhD, Katherine L Fielding, PhD

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