title: Assessment of serum corticotrophin concentration and its nyctohemeral rhythm in the aging.
mesh_terms: D000293:Adolescent; D000324:Adrenocorticotropic Hormone / Q000097:blood*; D000328:Adult; D000368:Aged; D000375:Aging; D002940:Circadian Rhythm; D005260:Female; D006801:Humans; D006854:Hydrocortisone / Q000097:blood; D008297:Male; D008875:Middle Aged; D010902:Pituitary Gland / Q000378:metabolism; D010913:Pituitary-Adrenal System; D011863:Radioimmunoassay
chemical_list: D000324:Adrenocorticotropic Hormone; D006854:Hydrocortisone