[Variations in serum motilin].
D004386:Duodenum / Q000378:metabolism; D005744:Gastric Acid / Q000378:metabolism; D005768:Gastrointestinal Hormones / Q000097:blood*; D006801:Humans; D009037:Motilin / Q000097:blood*; D010507:Periodicity
D005768:Gastrointestinal Hormones; D009037:Motilin