[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "0.9%sodium chloride", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Heparin", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}]

[{"arm_notes": "Nebulized heparin", "treatment_id": 1337, "treatment_name": "Unfractioned heparin", "treatment_type": "Coagulation modifiers", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]