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3. Shadkam MN, et al. A comparison of the effect of honey, dextromethorphan, and diphenhydramine on nightly cough and sleep quality in children and their parents. J Altern Complement Med.2010 Jul;16(7):787-93. doi: 10.1089/acm.2009.0311.0 l% n1 J* s' C- j3 m l
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