Protocol for a cluster randomised control trial evaluating the efficacy and safety of treatment for latent tuberculosis infection in recent migrants within primary care: the CATAPu... oleh M. Burman, A. Copas, D. Zenner, V. Hickson, L. Gosce, D. Trathen, R. Ashcroft, A. R. Martineau, I. Abubakar, C. Griffiths, H. Kunst