title: Circadian rhythms in serum LH, FSH and prolactin levels in adult male rats.
mesh_terms: D000818:Animals; D002940:Circadian Rhythm; D003624:Darkness; D005640:Follicle Stimulating Hormone / Q000097:blood / Q000378:metabolism*; D008027:Light; D007986:Luteinizing Hormone / Q000097:blood / Q000378:metabolism*; D008297:Male; D010902:Pituitary Gland / Q000378:metabolism*; D011388:Prolactin / Q000097:blood / Q000378:metabolism*; D011863:Radioimmunoassay; D051381:Rats
chemical_list: D011388:Prolactin; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone