{"batchcode": "6537", "histograms": [{"histogram": {"Malaise": 2, "Angiogram": 1, "Back pain": 1, "C-reactive protein": 1, "Chest pain": 1, "Discomfort": 1, "Dyspnoea": 1, "Electrocardiogram": 1, "Headache": 1, "Myalgia": 1, "Myocarditis": 1, "Troponin": 1}, "batchcodes": ["6537"]}]}