Wyatt, R J <br/><br/>
Effects of L-tryptophan (a natural sedative) on human sleep.  [electronic resource] 

 -  Lancet (London, England)  Oct 1970 
 - 842-6 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article 
<br/><br/><label>ISSN: </label>0140-6736 
<br/><br/><label>Standard No.: </label>10.1016/s0140-6736(70)92015-5  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>5-Hydroxytryptophan--metabolism<br/>Adult<br/>Age Factors<br/>Aged<br/>Female<br/>Humans<br/>Hydroxyindoleacetic Acid--urine<br/>Male<br/>Middle Aged<br/>Phenylalanine--pharmacology<br/>Placebos<br/>Serotonin--metabolism<br/>Sex Factors<br/>Sleep--drug effects<br/>Sleep Initiation and Maintenance Disorders--drug therapy<br/>Sleep, REM--drug effects<br/>Tryptophan--antagonists & inhibitors