A pragmatic randomised controlled trial of the effectiveness and cost-effectiveness of screening older women for the prevention of fractures: rationale, design and methods for the... by Shepstone, L, Fordham, R, Lenaghan, E, Harvey, I, Cooper, C, Gittoes, N, Heawood, A, Peters, T, O'Neill, T, Torgerson, D, Holland, R, Howe, A, Marshall, T, Kanis, J, McCloskey, E