title: Authors' reply to Beales.
authors.affiliation: Centre for Evidence-Based Medicine, University of Oxford, Oxford OX2 6GG, UK.
authors.forename: Ben
authors.initials: B
authors.lastname: Goldacre
authors.affiliation: Discipline of Medicine, University of Adelaide, Australia.
authors.forename: Samuel
authors.initials: S
authors.lastname: Whittle
authors.affiliation: Peninsula Medical School, University of Exeter, UK.
authors.forename: Edzard
authors.initials: E
authors.lastname: Ernst
authors.affiliation: Geography, School of Social Sciences, University of Dundee, Dundee DD1 4HN, UK.
authors.forename: Jonathan
authors.initials: J
authors.lastname: Mendel