{"batchcode": "016J21-23", "histograms": [{"histogram": {"Antiplatelet therapy": 1, "Aphasia": 1, "Blood test": 1, "Computerised tomogram": 1, "Echocardiogram": 1, "Ischaemic stroke": 1, "Magnetic resonance imaging": 1, "Scan with contrast": 1}, "batchcodes": ["016J21-23"]}]}