Different response of TSH to TRH in the morning and evening.
D000328:Adult; D002940:Circadian Rhythm; D006801:Humans; D008297:Male; D010902:Pituitary Gland / Q000378:metabolism*; D013972:Thyrotropin / Q000378:metabolism*; D013973:Thyrotropin-Releasing Hormone / Q000494:pharmacology*
D013973:Thyrotropin-Releasing Hormone; D013972:Thyrotropin