title: Branch retinal artery occlusion; another complication of sildenafil.
authors.forename: A
authors.initials: A
authors.lastname: Tripathi
authors.forename: N P
authors.initials: NP
authors.lastname: O'Donnell
mesh_terms: D000368:Aged; D007172:Erectile Dysfunction / Q000188:drug therapy; D006801:Humans; D008297:Male; 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; D014786:Vision Disorders / Q000139:chemically induced*
chemical_list: D010726:Phosphodiesterase Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate