Toivonen, M <br/><br/>
[The safety of sildenafil].  [electronic resource] 

 -  Duodecim; laaketieteellinen aikakauskirja  1999 
 - 1482-3 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0012-7183 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Access to Information<br/>Adverse Drug Reaction Reporting Systems--statistics & numerical data<br/>Drug Approval<br/>Humans<br/>Male<br/>Phosphodiesterase Inhibitors--adverse effects<br/>Piperazines--adverse effects<br/>Purines<br/>Sildenafil Citrate<br/>Sulfones