{"batchcode": "ENB207", "histograms": [{"histogram": {"Arthralgia": 1, "Blood pressure measurement": 1, "Cardiac failure congestive": 1, "Chills": 1, "Chronic obstructive pulmonary disease": 1, "Condition aggravated": 1, "Headache": 1, "Oxygen saturation": 1, "Pain in extremity": 1}, "batchcodes": ["ENB207"]}]}