Diagnostic accuracy of quantitative PCR (Xpert MTB/RIF) for tuberculous pericarditis compared to adenosine deaminase and unstimulated interferon-γ in a high burden setting: a prospective study. - Pandie, Shaheen; Peter, Jonathan G.; Kerbelker, Zita S.; Meldau, Richard; Theron, Grant; Govender, Ureshnie; Ntsekhe, Mpiko; Dheda, Keertan; Mayosi, Bongani M. (BMC Medicine, 2014)