PROTOCOL FOR A PROSPECTIVE COLLABORATIVE OVERVIEW OF ALL CURRENT AND PLANNED RANDOMIZED TRIALS OF CHOLESTEROL TREATMENT REGIMENS by Downs, J, Gotto, A, Clearfield, M, Gordon, D, Manolio, T, Goldbourt, U, Kaplinsky, E, Moye, L, Sacks, F, Pfeffer, M, Hawkins, C, Braunwald, E, Franzosi, M, Maggioni, A, Tognoni, G, Robins, S, Rubins, H, Simes, J, Keech, A, Macmahon, S, Tonkin, A, Yusuf, S, Flather, M, Collins, R, Keech, A