Impact of Replacing Smear Microscopy with Xpert MTB/RIF for Diagnosing Tuberculosis in Brazil: A Stepped-Wedge Cluster-Randomized Trial.

Durovni B, Saraceni V, van den Hof S, Trajman A, Santos MC, Cavalcante S, Menezes A, Cobelens F.

PLoS Med. 2014;11(12):e1001766.

Abstract  http://www.ncbi.nlm.nih.gov/pubmed/?term=Impact+of+Replacing+Smear+Microscopy+with+Xpert+MTB%2FRIF+for+Diagnosing+Tuberculosis+in+Brazil%3A+A+Stepped-Wedge+Cluster-Randomized+Trial.