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Analgesic effect of paracetamol combined with low-dose morphine versus morphine alone on patients with biliary colic: a double blind, randomized controlled trial
Mohammad Reza Farnia, Rasoul Babaei, Farzaneh Shirani, Mehdi Momeni, Majid Hajimaghsoudi, Elnaz Vahidi, Morteza Saeedi
World Journal of Emergency Medicine . 2016, (
1
): 25 -29 . DOI: 10.5847/wjem.j.1920-8642.2016.01.004