Gavin AT, Fitzpatrick D, Middleton RJ, Coleman MP.  Patients' denial of disease may pose difficulty for achieving informed consent.  British Medical Journal (Letters).  April 2002, doi: 10.1136/bmj.324.7343.974.

Murray LJ, McCarron P, Bailie K, Middleton RJ, Davey Smith G, Dempsey S, McCarthy A, Gavin AT.  Association of early life factors and acute lymphoblastic leukaemia in childhood: historical cohort study.  British Journal of Cancer, Feb 2002, doi:10.1038/sj.bjc.6600012 .