{"batchcode": "021C211A", "histograms": [{"histogram": {"Cerebrovascular accident": 1, "Chest pain": 1, "Dyspnoea": 1, "Feeling abnormal": 1, "Headache": 1, "Heart rate increased": 1, "Paraesthesia": 1, "Speech disorder": 1, "Visual impairment": 1}, "batchcodes": ["021C211A"]}]}