The lingual ascorbic acid test.
D015086:2,6-Dichloroindophenol; D001206:Ascorbic Acid Deficiency / Q000175:diagnosis*; D006801:Humans; D007215:Indophenol / Q000031:analogs & derivatives*; D013997:Time Factors; D014059:Tongue / Q000378:metabolism
D007215:Indophenol; D015086:2,6-Dichloroindophenol