title: Colour blindness: still too many red-green figures.
authors.affiliation: University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA.
authors.forename: S Colby
authors.initials: SC
authors.lastname: Allred
authors.affiliation: University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA.
authors.forename: William J
authors.initials: WJ
authors.lastname: Schreiner
authors.affiliation: University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA.
authors.forename: Oliver
authors.initials: O
authors.lastname: Smithies
mesh_terms: D003117:Color Vision Defects; D006801:Humans; D020407:Internet; D010506:Periodicals as Topic / Q000592:standards* / Q000706:statistics & numerical data