Review

Adverse drug interactions involving common prescription and over-the-counter analgesic agents.

Clin Ther. 2007 Jan 1;29 Suppl:2477-97.
Comparative Study

A comparison of adverse renovascular experiences among osteoarthritis patients treated with rofecoxib and comparator non-selective non-steroidal anti-inflammatory agents.

Curr Med Res Opin. 2002 Jan 1;18(2):82-91.
Randomized Controlled Trial

Gastrointestinal safety and tolerance of ibuprofen at maximum over-the-counter dose.

Aliment. Pharmacol. Ther. 1999 Jul 1; 13 (7): 897-906.