title: Some mathematical properties of branching trees with application to the respiratory system.
mesh_terms: D000818:Animals; D001980:Bronchi / Q000033:anatomy & histology / Q000502:physiology*; D008433:Mathematics; D008722:Methods; D008954:Models, Biological; D011651:Pulmonary Artery / Q000033:anatomy & histology / Q000502:physiology*