{"batchcode": "D31L20A", "histograms": [{"batchcodes": ["051F21A", "D31L20A"], "histogram": {"Cardiac stress test abnormal": 1, "Cardiomyopathy": 1, "Chest discomfort": 1, "Dyspnoea": 1}}, {"batchcodes": ["D31L20A"], "histogram": {"Diarrhoea": 1, "Flushing": 1, "Headache": 1, "Injection site erythema": 1, "Injection site swelling": 1, "Pain": 1, "Pyrexia": 1, "Swelling face": 1}}]}