title: A general practice study of the efficacy of Regulan in functional constipation.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002986:Clinical Trials as Topic; D003248:Constipation / Q000188:drug therapy*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011620:Psyllium / Q000627:therapeutic use*
chemical_list: D011620:Psyllium