A lingual vitamin C test: XIV. Relationship to oral calculus.
D000328:Adult; D000367:Age Factors; D001205:Ascorbic Acid / Q000032:analysis / Q000097:blood*; D003728:Dental Calculus; D005215:Fasting; D006801:Humans; D008875:Middle Aged; D013997:Time Factors; D014059:Tongue / Q000032:analysis*
D001205:Ascorbic Acid