title: Recording events in clinical trials.
mesh_terms: D004341:Drug Evaluation / Q000592:standards*; D004976:Ethacrynic Acid / Q000009:adverse effects; D006471:Gastrointestinal Hemorrhage / Q000139:chemically induced; D006801:Humans; D008499:Medical Records / Q000592:standards*
chemical_list: D004976:Ethacrynic Acid