{"batchcode": "029L20A; 030M20", "histograms": [{"histogram": {"Arthralgia": 1, "Arthritis": 1, "Arthritis reactive": 1, "Blood test": 1, "C-reactive protein increased": 1, "Culture negative": 1, "Gait inability": 1, "Magnetic resonance imaging spinal normal": 1, "Pain in extremity": 1, "Peripheral swelling": 1, "Red blood cell sedimentation rate increased": 1, "Synovial rupture": 1, "Vascular test abnormal": 1, "X-ray abnormal": 1}, "batchcodes": ["029L20A; 030M20"]}]}