{"batchcode": "029K21A", "histograms": [{"histogram": {"Dyspnoea": 2, "Abdominal pain upper": 1, "Chest pain": 1, "Cough": 1, "Headache": 1, "Muscular weakness": 1, "Oedema peripheral": 1, "Pyrexia": 1}, "batchcodes": ["029K21A"]}]}