Tfelt-Hansen, P <br/><br/>
Guidelines for controlled trials of drugs in migraine: second edition.  [electronic resource] 

 -  Cephalalgia : an international journal of headache  Nov 2000 
 - 765-86 p.  digital 
<br/><br/> Publication Type: Guideline; Journal Article 
<br/><br/><label>ISSN: </label>0333-1024 
<br/><br/><label>Standard No.: </label>10.1046/j.1468-2982.2000.00117.x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Controlled Clinical Trials as Topic<br/>Humans<br/>Migraine Disorders--drug therapy