{"batchcode": "ER8735 7/21", "histograms": [{"batchcodes": ["ER8735 7/21"], "histogram": {"Antibody test": 1, "Balance disorder": 1, "Deafness unilateral": 1, "Dizziness": 1, "Ear disorder": 1, "Migraine": 1, "Tinnitus": 1, "Vertigo": 1}}]}