{"batchcode": "EWO0151", "histograms": [{"batchcodes": ["EWO0151", "EWO171"], "histogram": {"Back pain": 1, "Disturbance in attention": 1, "Feeling abnormal": 1, "Neuralgia": 1, "Pain": 1, "Pain in extremity": 1, "Pain in jaw": 1}}, {"batchcodes": ["EWO0151"], "histogram": {"Dysphagia": 1, "Oropharyngeal discomfort": 1}}]}