title: Vehicle or placebo? Investigators use incorrect terminology in randomized controlled trials half of the time: a systematic review of randomized controlled trials published in three major dermatology journals.
authors.affiliation: Department of Medicine, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia. aliffarhan@yahoo.com
authors.forename: Norashikin
authors.initials: N
authors.lastname: Shamsudin
authors.forename: Alan B
authors.initials: AB
authors.lastname: Fleischer