{"batchcode": "E052E21A", "histograms": [{"batchcodes": ["058E21A", "E052E21A"], "histogram": {"Aphonia": 1, "Immediate post-injection reaction": 1, "Oropharyngeal pain": 1, "Thyroid mass": 1, "Ultrasound scan abnormal": 1}}, {"batchcodes": ["E052E21A"], "histogram": {"Pain": 1, "Rash": 1, "Skin discolouration": 1, "Skin warm": 1, "Swelling": 1}}]}