title: Gastro-intestinal haemorrhage following ingestion of 'Alka-Seltzer'.
mesh_terms: D000328:Adult; D000368:Aged; D000863:Antacids / Q000009:adverse effects*; D001241:Aspirin / Q000009:adverse effects*; D001639:Bicarbonates / Q000009:adverse effects*; D002951:Citrates; D004338:Drug Combinations / Q000009:adverse effects; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000139:chemically induced*; D006801:Humans; D008297:Male; D008875:Middle Aged; D017693:Sodium Bicarbonate
chemical_list: D000863:Antacids; D001639:Bicarbonates; D002951:Citrates; D004338:Drug Combinations; C002931:sodium acetylsalicylate, sodium bicarbonate, sodium citrate drug combination; D017693:Sodium Bicarbonate; D001241:Aspirin