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

[{"arm_notes": "", "treatment_id": 322, "treatment_name": "Convalescent plasma", "treatment_type": "Convalescent plasma", "pharmacological_treatment": "Biological treatment"}, {"arm_notes": "", "treatment_id": 322, "treatment_name": "Convalescent plasma", "treatment_type": "Convalescent plasma", "pharmacological_treatment": "Biological treatment"}]