{"batchcode": "EW-0161", "histograms": [{"batchcodes": ["ER-8733", "EW-0161"], "histogram": {"Gait inability": 1, "Hypersensitivity": 1, "Hypertension": 1, "Palpitations": 1, "Rash": 1}}, {"batchcodes": ["EW-0161"], "histogram": {"Acute myocardial infarction": 1, "Dressler's syndrome": 1, "Left ventricular failure": 1, "Pericarditis": 1}}]}