title: Circadian variation of prostaglandin E(PGE) production in human gastric juice.
mesh_terms: D000328:Adult; D002940:Circadian Rhythm; D004381:Duodenal Ulcer / Q000378:metabolism; D005745:Gastric Acidity Determination; D005750:Gastric Juice / Q000378:metabolism*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011453:Prostaglandins / Q000032:analysis / Q000096:biosynthesis*; D011863:Radioimmunoassay; D012636:Secretory Rate
chemical_list: D011453:Prostaglandins