title: Viagra or what?
authors.forename: S
authors.initials: S
authors.lastname: Sinha
authors.forename: V
authors.initials: V
authors.lastname: Pathak-Ray
authors.forename: H
authors.initials: H
authors.lastname: Ahluwalia
authors.forename: J E
authors.initials: JE
authors.lastname: Morgan
mesh_terms: D006801:Humans; D008297:Male; D008875:Middle Aged; D010726:Phosphodiesterase Inhibitors / Q000009:adverse effects*; D010879:Piperazines / Q000009:adverse effects*; D011687:Purines; D015356:Retinal Artery Occlusion / Q000139:chemically induced; D000068677:Sildenafil Citrate; D013450:Sulfones; D014665:Vasodilator Agents / Q000009:adverse effects*; D014786:Vision Disorders / Q000139:chemically induced*
chemical_list: D010726:Phosphodiesterase Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D014665:Vasodilator Agents; D000068677:Sildenafil Citrate