Factors affecting the absorption of riboflavin in man.
D000328:Adult; D005215:Fasting; D005453:Fluorescence; D005769:Gastrointestinal Motility / Q000187:drug effects; D006801:Humans; D007408:Intestinal Absorption; D008297:Male; D012256:Riboflavin / Q000008:administration & dosage* / Q000652:urine*
D012256:Riboflavin