{"batchcode": "02BL20", "histograms": [{"histogram": {"Burning sensation": 1, "Exposure during pregnancy": 1, "Immediate post-injection reaction": 1, "Injection site erythema": 1, "Injection site pruritus": 1, "Injection site swelling": 1, "Injection site vesicles": 1, "Injection site warmth": 1}, "batchcodes": ["02BL20"]}]}