Riis, P <br/><br/>
[Keeping abreast with medical knowledge--a Sisyphus labor].  [electronic resource] 

 -  Nordisk medicin  1991 
 - 38-9 p.  digital 
<br/><br/> Publication Type: Editorial 
<br/><br/><label>ISSN: </label>0029-1420 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education, Medical, Continuing<br/>Periodicals as Topic<br/>Professional Competence