title: Intraventricular oxytocin induces yawning and penile erection in rats.
mesh_terms: D000818:Animals; D007276:Injections, Intraventricular; D008297:Male; D010121:Oxytocin / Q000494:pharmacology*; D010410:Penile Erection / Q000187:drug effects*; D051381:Rats; D011919:Rats, Inbred Strains; D012018:Reflex / Q000187:drug effects*
chemical_list: D010121:Oxytocin