title: Green-coloured results on guaiac-based faecal occult blood testing should be considered positive.
authors.forename: Milan
authors.initials: M
authors.lastname: Skitek
mesh_terms: D003116:Color; D015179:Colorectal Neoplasms / Q000175:diagnosis*; D005189:False Positive Reactions; D006138:Guaiac; D006801:Humans; D008403:Mass Screening / Q000379:methods; D009780:Occult Blood; D011933:Reagent Kits, Diagnostic; D012680:Sensitivity and Specificity
chemical_list: D011933:Reagent Kits, Diagnostic; D006138:Guaiac