Randomized trial of switching from prescribed non-selective non-steroidal anti-inflammatory drugs to prescribed celecoxib: the Standard care vs. Celecoxib Outcome Trial (SCOT). by MacDonald, TM, Hawkey, CJ, Ford, I, McMurray, JJV, Scheiman, JM, Hallas, J, Findlay, E, Grobbee, DE, Hobbs, FDR, Ralston, SH, Reid, DM, Walters, MR, Webster, J, Ruschitzka, F, Ritchie, LD, Perez-Gutthann, S, Connolly, E, Greenlaw, N, Wilson, A, Wei, L, Mackenzie, IS