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Several observations from preclinical and short-term clinical studies support a role for sildenafil in the treatment of heart failure patients. The following discussion briefly considers each of ...

Vardenafil typically starts working faster, around 15 to 30 minutes after ingestion, while sildenafil may take 30 to 60 ...

Objective: In view of the recent U.S. Food and Drug Administration's warning against the use of sildenafil in pediatric patients, we aimed to provide an updated overview of the dosing and safety ...

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