{"batchcode": "049L2IA", "histograms": [{"histogram": {"Angina pectoris": 1, "Blood test normal": 1, "COVID-19": 1, "Chest pain": 1, "Discomfort": 1, "Drug ineffective": 1, "Electrocardiogram normal": 1, "Troponin I normal": 1}, "batchcodes": ["049L2IA"]}]}