Brazilian medicinal plants to treat upper respiratory tract and bronchial illness: systematic review and meta-analyses-study protocol.
Luciane Cruz LopesMaria Carolina O SilvaCristiane Bergamashi MottaAntonio Macho QuirósMaique Weber BiavattiJardel Corrêa de OliveiraGordon GuyattPublished in: BMJ open (2014)
Prospero CRD42014007057.