Nappi, G <br/><br/>
Plasma and CSF endorphin levels in primary and symptomatic headaches.  [electronic resource] 

 -  Headache  May 1985 
 - 141-4 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0017-8748 
<br/><br/><label>Standard No.: </label>10.1111/j.1526-4610.1985.hed2503141.x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Endorphins--blood<br/>Female<br/>Headache--blood<br/>Humans<br/>Male<br/>Middle Aged