Do Xpert MTB/RIF Cycle Threshold Values Provide Information about Patient Delays for Tuberculosis Diagnosis? - Ssengooba, Willy; Respeito, Durval; Mambuque, Edson; Blanco, Silvia; Bulo, Helder; Mandomando, Inacio; de Jong, Bouke C.; Cobelens, Frank G.; García-Basteiro, Alberto L. (PLoS ONE, 2016)