title: Circadian rhythm of serum and hypophyseal prolactin in the male rat.
mesh_terms: D000818:Animals; D002940:Circadian Rhythm; D066298:In Vitro Techniques; D008297:Male; D010902:Pituitary Gland / Q000378:metabolism*; D011388:Prolactin / Q000097:blood / Q000378:metabolism*; D011863:Radioimmunoassay; D051381:Rats; D013997:Time Factors
chemical_list: D011388:Prolactin