{"batchcode": "031A 21A", "histograms": [{"histogram": {"Balance disorder": 1, "Body temperature increased": 1, "Deafness unilateral": 1, "Pain": 1}, "batchcodes": ["030B 21A", "031A 21A"]}, {"histogram": {"Bell's palsy": 1}, "batchcodes": ["031A 21A"]}]}