title: [Viagra and ophthalmology].
authors.forename: F
authors.initials: F
authors.lastname: González
authors.forename: F
authors.initials: F
authors.lastname: Gómez-Ulla
mesh_terms: D005128:Eye Diseases / Q000139:chemically induced*; D006801:Humans; D008297:Male; D010726:Phosphodiesterase Inhibitors / Q000009:adverse effects*; D010879:Piperazines / Q000009:adverse effects*; D011687:Purines; D000068677:Sildenafil Citrate; D013450:Sulfones
chemical_list: D010726:Phosphodiesterase Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate