[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Low-dose acetylsalicylic acid", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]

[{"arm_notes": "Low dose;pregnant women", "treatment_id": 20, "treatment_name": "Acetylsalicylic acid", "treatment_type": "Coagulation modifiers", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]