HLA has strongest association with IgA nephropathy in genome-wide analysis. by Feehally, J, Farrall, M, Boland, A, Gale, D, Gut, I, Heath, S, Kumar, A, Peden, J, Maxwell, P, Morris, D, Padmanabhan, S, Vyse, T, Zawadzka, A, Rees, A, Lathrop, M, Ratcliffe, P