North of England and Scotland Study of Tonsillectomy and Adeno-tonsillectomy in Children(NESSTAC): a pragmatic randomised controlled trial with a parallel non-randomised preference study - Lock, C; Wilson, J; Steen, N; Eccles, M; Mason, H; Carrie, S; Clarke, R; Kubba, H; Raine, C; Zarod, A; Brittain, K; Vanoli, A; Bond, J (Health Technol Assess, 2010)
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