1. An analgesic relative potency assay comparing aspirin, ibuprofen and placebo;Cooper;J Oral Surg,1977
2. Analgesic efficacy of an ibuprofen-codeine combination;Cooper;Pharmacotherapy,1982
3. Relative analgesic efficacy of ibuprofen and zomepirac Na in periodontal and oral surgery pain (abstr);Cooper;Clin Pharmacol Ther,1983
4. The analgesic efficacy of ibuprofen compared to acetaminophen with codeine (abstr);Cooper;Clin Pharmacol Ther,1984
5. Efficacy of zomepiraccodeine combinations in dental pain;Desjardins;Clin Pharmacol Ther,1984