Hemic and Lymphatic: vaso-occlusive crisis: In a small, prematurely terminated review of REVATIO (sildenafil) in sufferers with pulmonary arterial hypertension (PAH) secondary to sickle cell disease, vaso-occlusive crises demanding hospitalization have been more commonly noted in sufferers who received sildenafil than in those randomized to placebo. The clinical relevance of https://frankf124fvk6.wikifrontier.com/user