[{"arm_notes": "", "treatment_id": null, "treatment_name": "TODO Treatment - DrugsIntervention group: After taking blood samples and centrifugation with 5000/min the plasma will be separated and incubated for 8 hours and then this plasma will be injected intratracheally for the patient. This procedure will be performed every 3 days and the maximum number of administration will be 3 times.", "treatment_type": "TODO", "pharmacological_treatment": "TODO"}, {"arm_notes": "", "treatment_id": null, "treatment_name": "TODO PlaceboControl group:in the same volume for the patients in control group normal saline is intratracheally will be injected.This procedure will be performed every 3 days and the maximum number of administration will be 3 times.", "treatment_type": "TODO", "pharmacological_treatment": "Placebo"}]

[{"arm_notes": "", "treatment_id": 322, "treatment_name": "Convalescent plasma", "treatment_type": "Convalescent plasma", "pharmacological_treatment": "Biological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]