title: A morphological study of early cellular changes in the closure of the rabbit ductus arteriosus.
mesh_terms: D000818:Animals; D004373:Ductus Arteriosus / Q000033:anatomy & histology* / Q000166:cytology / Q000196:embryology / Q000502:physiology; D005865:Gestational Age; D009130:Muscle, Smooth / Q000166:cytology; D011817:Rabbits / Q000033:anatomy & histology*; D013997:Time Factors