Khan, S <br/><br/>
Warfarin can be safe and effective in the extreme elderly.  [electronic resource] 

 -  Age and ageing  Nov 2009 
 - 763; author reply 763-4 p.  digital 
<br/><br/> Publication Type: Comment; Letter 
<br/><br/><label>ISSN: </label>1468-2834 
<br/><br/><label>Standard No.: </label>10.1093/ageing/afp162  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Aged, 80 and over<br/>Anticoagulants--administration & dosage<br/>Atrial Fibrillation--drug therapy<br/>Female<br/>Humans<br/>International Normalized Ratio<br/>Male<br/>Treatment Outcome<br/>Warfarin--administration & dosage