原文见:Carl Llor,Javier Arranz,Rosa Morros,et al.Efficacy of high doses of oral penicillin versus amoxicillin in the treatment of adults with non-severe pneumonia attended in the community:study protocol for a randomised controlled trial.BMC Family Practice,2013,14:50.Published at:http://www.biomedcentral.com/1471 -2296/14/50