title: A pilot randomised control trial: the effects of decaffeinated drinks on voice quality.
authors.forename: S
authors.initials: S
authors.lastname: Ahmed
authors.forename: S
authors.initials: S
authors.lastname: Coomber
authors.forename: T
authors.initials: T
authors.lastname: Chetwood
mesh_terms: D000328:Adult; D002110:Caffeine / Q000008:administration & dosage*; D003069:Coffee; D004305:Dose-Response Relationship, Drug; D006801:Humans; D013018:Sound Spectrography; D014832:Voice Disorders / Q000178:diet therapy*; D014833:Voice Quality / Q000187:drug effects*
chemical_list: D003069:Coffee; D002110:Caffeine