title: Masking unmasked.
authors.affiliation: ILO Photographic Unit, London, UK.
authors.forename: Madeleine
authors.initials: M
authors.lastname: Walker
mesh_terms: D003219:Confidentiality; D006801:Humans; D007258:Informed Consent; D008397:Masks; D008488:Medical Illustration; D010781:Photography; D011581:Psychological Tests