Fekkes, D <br/><br/>
Tryptophan: a precursor for the endogenous synthesis of norharman in man.  [electronic resource] 

 -  Neuroscience letters  May 2001 
 - 145-8 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0304-3940 
<br/><br/><label>Standard No.: </label>10.1016/s0304-3940(01)01750-5  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Carbolines<br/>Chromatography, High Pressure Liquid<br/>Female<br/>Harmine--analogs & derivatives<br/>Humans<br/>Male<br/>Smoking--blood<br/>Tryptophan--blood