title: Colour-blindness in the laboratory.
mesh_terms: D003117:Color Vision Defects; D003951:Diagnostic Errors; D005840:Gentian Violet; D006801:Humans; D007753:Laboratories; D010851:Picrates; D013194:Staining and Labeling / Q000379:methods*; D000078329:Workforce
chemical_list: D010851:Picrates; D005840:Gentian Violet