{"batchcode": "03OB21A", "histograms": [{"histogram": {"Headache": 2, "Blood test": 1, "Cardiac monitoring": 1, "Chills": 1, "Dyspnoea": 1, "Electrocardiogram": 1, "Erythema": 1, "Feeling abnormal": 1, "Heart rate increased": 1, "Myalgia": 1, "Nausea": 1, "Pain in extremity": 1, "Palpitations": 1, "Pyrexia": 1, "Thirst": 1}, "batchcodes": ["03OB21A"]}]}