title: PDE 5 inhibitors and HIV risk: current concepts and controversies.
authors.forename: Graham
authors.initials: G
authors.lastname: Jackson
mesh_terms: D015106:3',5'-Cyclic-GMP Phosphodiesterases / Q000037:antagonists & inhibitors*; D015658:HIV Infections / Q000635:transmission*; D006801:Humans; D008297:Male; D010726:Phosphodiesterase Inhibitors / Q000009:adverse effects*; D012725:Sexual Behavior / Q000187:drug effects*; D012749:Sexually Transmitted Diseases / Q000635:transmission
chemical_list: D010726:Phosphodiesterase Inhibitors; D015106:3',5'-Cyclic-GMP Phosphodiesterases