Hofman, M A <br/><br/>
Effect of photoperiod on the diurnal melatonin and 5-methoxytryptophol rhythms in the human pineal gland.  [electronic resource] 

 -  Brain research  Feb 1995 
 - 254-60 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0006-8993 
<br/><br/><label>Standard No.: </label>10.1016/0006-8993(94)01339-j  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Aged<br/>Aged, 80 and over<br/>Circadian Rhythm--physiology<br/>Female<br/>Humans<br/>Indoles--metabolism<br/>Male<br/>Melatonin--metabolism<br/>Middle Aged<br/>Photoperiod<br/>Pineal Gland--anatomy & histology<br/>Radioimmunoassay<br/>Seasons