The Pain system in normal and pathological states :  a primer for clinicians / 
Luis Villanueva, Anthony H. Dickenson,  Helene, Ollat (eds.) 
 - 1st ed. 
 - Seattle :  IASP,  2004. 
 - xvii, 347 p. 
<br/><br/><label>ISBN: </label>0931092531 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pain--Congresses.