[{"arm_notes": null, "treatment_id": null, "treatment_name": "", "treatment_type": null, "pharmacological_treatment": "Non pharmacological treatment"}]

[{"arm_notes": "", "treatment_id": 114, "treatment_name": "Aprotinin", "treatment_type": "Coagulation modifiers", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]