title: Circadian and menstrual cycle variation in serum vitamin B-6 levels in baboons.
mesh_terms: D000818:Animals; D002940:Circadian Rhythm; D005260:Female; D005498:Follicular Phase; D000882:Haplorhini; D008183:Luteal Phase; D008598:Menstruation; D010215:Papio / Q000502:physiology*; D011736:Pyridoxine / Q000097:blood*
chemical_list: D011736:Pyridoxine