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HARVARD Citation
Pincus, T. et al. (2004). 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. Annals of the rheumatic diseases. 63 (8), pp. 931-939. [Online].