Viagra® and generic Viagra® have sildenafil, which is the same medicine located in A different drug named Revatio®. Revatio® is utilised to deal with a rare disease termed pulmonary arterial hypertension (PAH).Góc s?c kho?Tra c?u thu?cTra c?u d??c ch?tTra c?u d??c li?uB?nh th??ng g?pB?nh vi?n??i ng? chuyên mônHo?t ??ng xã h?iTin t?c tuy?n d