title: Hormonal changes in puberty. VII. Lack of variation of daytime plasma melatonin.
mesh_terms: D000293:Adolescent; D002648:Child; D002940:Circadian Rhythm; D005260:Female; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D008550:Melatonin / Q000097:blood*; D011627:Puberty; D012737:Sex Factors
chemical_list: D008550:Melatonin