{"batchcode": "FD7968", "histograms": [{"histogram": {"Headache": 2, "Magnetic resonance imaging": 2, "Arrhythmia": 1, "Dyspnoea": 1, "Feeling abnormal": 1, "Malaise": 1, "Nausea": 1, "Thrombosis": 1}, "batchcodes": ["FD7968"]}]}