Erdemoglu, A Kemal <br/><br/>
The long-term efficacy and safety of botulinum toxin in refractory chronic tension-type headache.  [electronic resource] 

 -  The journal of headache and pain  Oct 2007 
 - 294-300 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1129-2369 
<br/><br/><label>Standard No.: </label>10.1007/s10194-007-0414-7  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Analgesics--therapeutic use<br/>Botulinum Toxins, Type A--administration & dosage<br/>Chronic Disease<br/>Female<br/>Humans<br/>Male<br/>Middle Aged<br/>Muscle, Skeletal--drug effects<br/>Neck Muscles--drug effects<br/>Neuromuscular Agents--administration & dosage<br/>Patient Satisfaction<br/>Prospective Studies<br/>Recurrence<br/>Tension-Type Headache--drug therapy<br/>Time<br/>Time Factors<br/>Treatment Outcome