Barkin, Robert L <br/><br/>
Extended-release Tramadol (ULTRAM ER): a pharmacotherapeutic, pharmacokinetic, and pharmacodynamic focus on effectiveness and safety in patients with chronic/persistent pain.  [electronic resource] 

 -  American journal of therapeutics   
 - 157-66 p.  digital 
<br/><br/> Publication Type: Journal Article; Review 
<br/><br/><label>ISSN: </label>1536-3686 
<br/><br/><label>Standard No.: </label>10.1097/MJT.0b013e31815b035b  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Analgesics, Opioid--administration & dosage<br/>Chronic Disease<br/>Delayed-Action Preparations<br/>Humans<br/>Pain--drug therapy<br/>Tramadol--administration & dosage