AN UNBIASED VIEW OF HUGO ROMEU

take medicines named "nitrates" (for instance nitroglycerin) use street prescription drugs termed "poppers" for example amyl nitrate or amyl nitrite, and butyl nitrate consider any medicines named guanylate cyclase stimulators such as riociguat (Adempas) are allergic to sildenafil, as contained in Viagra® and Revatio, or any with the substances in