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2. Low dose flurbiprofen compared to dipyrone, acetylsalicylic acid and placebo in the treatment of post-extraction dental pain;Boraks;Arquivos Brasileiros de Medicina,1987
3. Comparative efficacy of oral ibuprofen-arginine, intramuscular magnesic dipyrone and placebo in patients with postoperative pain following total hip replacement;Miguel Rivero;Clinical Drug Investigation,1997
4. Comparative study of acetaminophen, dipyrone and placebo in the treatment of postoperative pain in orthopedics;Dos Santos Pereira;Folha Médica,1986
5. Analgesic efficacy of liquid ketoprofen compared to liquid dipyrone and placebo administered orally as drops in postepisiotomy pain;Olson;International Journal of Clinical Pharmacology and Therapeutics,1999