| http://www.w3.org/ns/prov#value | - A 2010 article in the journal Pediatrics showed an improvement in cough, congestion and sleep difficulty in children treated by applying a vapor rub containing camphor, menthol and eucalyptus to their chests. (More than a third of patients had side effects such as skin redness or a burning sensation of the eyes, skin or nose.) The study has been controversial, in part because the lead author was a
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