AN UNBIASED VIEW OF HUGO ROMEU

choose medicines named "nitrates" (such as nitroglycerin) use Avenue medication called "poppers" including amyl nitrate or amyl nitrite, and butyl nitrate consider any medicines known as guanylate cyclase stimulators including riociguat (Adempas) are allergic to sildenafil, as contained in Viagra® and Revatio, or any in the elements in Viagra®.To