A comparison between interferon gamma release assays and the tuberculin skin test in the contact tracing of patients with chronic kidney disease. Issue 8 (14th October 2010) - Connell, D W; Singanayagam, A; Charif, R; George, P M; Molyneaux, P L; McCrudden, C; Magtoto, M; Harden, E; Seneviratne, S L; Duncan, N D; Kon, O M