{"batchcode": "DRETZKOM", "histograms": [{"histogram": {"Chest pain": 1, "Musculoskeletal pain": 1}, "batchcodes": ["DRETZKOM", "DRETZKOM"]}, {"histogram": {"Chest pain": 1, "Musculoskeletal pain": 1}, "batchcodes": ["DRETZKOM", "DRETZKOM"]}]}