{"batchcode": "ERF730", "histograms": [{"batchcodes": ["EP7533", "ERF730"], "histogram": {"Alopecia": 1}}, {"batchcodes": ["ERF730"], "histogram": {"Anticoagulant therapy": 1, "Blood pressure increased": 1, "Cerebrovascular accident": 1, "Haematocrit normal": 1, "Haemoglobin normal": 1, "Magnetic resonance imaging head abnormal": 1, "Neurological symptom": 1, "Platelet count normal": 1}}]}