{"batchcode": "EN5218", "histograms": [{"histogram": {"Arthralgia": 1, "Musculoskeletal stiffness": 1}, "batchcodes": ["EL3249", "EN5218"]}, {"histogram": {"Erythema": 1, "Pruritus": 1, "Rash": 1}, "batchcodes": ["EN5218"]}]}