title: Vitamin C: plasma and taste threshold circadian rhythms, their relationship to plasma cortisol.
mesh_terms: D000328:Adult; D001205:Ascorbic Acid / Q000097:blood*; D002940:Circadian Rhythm; D003624:Darkness; D004056:Differential Threshold; D005260:Female; D006801:Humans; D006854:Hydrocortisone / Q000097:blood*; D008027:Light; D008297:Male; D012044:Regression Analysis; D013649:Taste; D013997:Time Factors
chemical_list: D001205:Ascorbic Acid; D006854:Hydrocortisone