title: Effects of "jet lag" on hormonal patterns. II. Adaptation of melatonin circadian periodicity.
mesh_terms: D000064:Acclimatization; D000328:Adult; D000337:Aerospace Medicine; D002940:Circadian Rhythm; D003624:Darkness; D006801:Humans; D008027:Light; D008297:Male; D008550:Melatonin / Q000097:blood*; D013997:Time Factors
chemical_list: D008550:Melatonin