Assertion: vasodilator's effect | /r/CapableOf | divide versus sildenafil
Facets:
value: on fetal hemoglobin
type: LOCATION
value: on safety
type: PURPOSE
Source sentences:
text: The effects of L-arginine 0.1 to 0.2 g/kg divided 3 times daily versus sildenafil 25 to 100 mg 3 times daily on safety, cardiopulmonary function, and fetal hemoglobin in patients with sickle cell disease were assessed.