[{"arm_notes": "nan", "treatment_id": 1931, "treatment_name": "Bacillus subtilis", "treatment_type": "Bacterial antigen-spore expression vector", "pharmacological_treatment": "Vaccine"}]

[{"arm_notes": "", "treatment_id": 1931, "treatment_name": "Bacillus subtilis", "treatment_type": "Bacterial antigen-spore expression vector", "pharmacological_treatment": "Vaccine"}]