title: Serum luteinizing hormone, testosterone and androstenedione in pubertal and prepubertal bulls after gonadotropin releasing hormone.
mesh_terms: D000367:Age Factors; D000735:Androstenedione / Q000097:blood*; D000818:Animals; D002417:Cattle / Q000097:blood* / Q000502:physiology; D007987:Gonadotropin-Releasing Hormone / Q000008:administration & dosage / Q000494:pharmacology*; D007273:Injections, Intramuscular; D007986:Luteinizing Hormone / Q000097:blood; D008297:Male; D013739:Testosterone / Q000097:blood*
chemical_list: D007987:Gonadotropin-Releasing Hormone; D013739:Testosterone; D000735:Androstenedione; D007986:Luteinizing Hormone