Hagen NA, Babul N: Comparative clinical efficacy and safety of a novel controlled-release oxycodone formulation and controlled-release hydromorphone in the treatment of cancer pain.

Van Roey J, Haxaire M, Kamya M, Lwanga I, Katabira E. Comparative efficacy of topical therapy with a slow-release mucoadhesive buccal tablet containing miconazole nitrate versus systemic therapy with ketoconazole in HIV-positive patients with oropharyngeal candidiasis.

Comparative efficacy of insect repellents against mosquito bites.

Comparative efficacy of cimetidine, famotidine, ranitidine, and Mylanta in postoperative stress ulcers: Gastric pH control and ulcer prevention in patients undergoing coronary artery bypass graft surgery.