1. Patient Preference for Placebo, Acetaminophen (paracetamol) or Celecoxib Efficacy Studies (PACES): two randomised, double blind, placebo controlled, crossover clinical trials in patients with knee or hip osteoarthritis. Issue 8 (13th April 2004) Authors: Pincus, T; Koch, G; Lei, H; Mangal, B; Sokka, T; Moskowitz, R; Wolfe, F; Gibofsky, A; Simon, L; Zlotnick, S; Fort, J G Journal: Annals of the rheumatic diseases Issue: Volume 63:Issue 8(2004) Page Start: 931 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗