Marmor, M F <br/><br/>
Sildenafil (Viagra) and ophthalmology.  [electronic resource] 

 -  Archives of ophthalmology (Chicago, Ill. : 1960)  Apr 1999 
 - 518-9 p.  digital 
<br/><br/> Publication Type: Editorial; Review 
<br/><br/><label>ISSN: </label>0003-9950 
<br/><br/><label>Standard No.: </label>10.1001/archopht.117.4.518  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>3',5'-Cyclic-GMP Phosphodiesterases--antagonists & inhibitors<br/>Animals<br/>Humans<br/>Male<br/>Ophthalmology<br/>Phosphodiesterase Inhibitors--adverse effects<br/>Piperazines--adverse effects<br/>Purines<br/>Retina--drug effects<br/>Sildenafil Citrate<br/>Sulfones