title: Pubertal development of penile reflexes and copulation in male rats.
mesh_terms: D000367:Age Factors; D000818:Animals; D003307:Copulation; D004542:Ejaculation; D008297:Male; D010413:Penis / Q000294:innervation*; D051381:Rats; D012018:Reflex / Q000502:physiology*; D012741:Sexual Maturation; D013739:Testosterone / Q000097:blood
chemical_list: D013739:Testosterone