title: The influence of acupuncture on blood serum levels of tryptophan in healthy volunteers subjected to ketamine anesthesia.
mesh_terms: D015670:Acupuncture Therapy; D000328:Adult; D000768:Anesthesia, General; D001921:Brain / Q000378:metabolism; D006801:Humans; D007649:Ketamine; D008297:Male; D012701:Serotonin / Q000378:metabolism; D014364:Tryptophan / Q000097:blood*
chemical_list: D012701:Serotonin; D007649:Ketamine; D014364:Tryptophan