title: Three-dimensional histology; a 35 mm photographic method.
mesh_terms: D000818:Animals; D004285:Dogs; D004373:Ductus Arteriosus / Q000033:anatomy & histology; D004374:Ductus Arteriosus, Patent / Q000473:pathology; D006652:Histological Techniques / Q000295:instrumentation*; D008722:Methods; D010784:Photomicrography / Q000295:instrumentation*