Wang, Sai-Ying <br/><br/>
Tramadol combined with fentanyl in awake endotracheal intubation.  [electronic resource] 

 -  Journal of thoracic disease  Jun 2013 
 - 270-7 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>2072-1439 
<br/><br/><label>Standard No.: </label>10.3978/j.issn.2072-1439.2013.03.10  doi