title: [Action of intravenous injection of theophylline-ethylenediamine on the pulmonary circulation in normal subjects, asthmatics and patients with chronic bronchitis, studied by radioisotope methods].
mesh_terms: D001249:Asthma / Q000503:physiopathology*; D001991:Bronchitis / Q000503:physiopathology*; D002908:Chronic Disease; D005029:Ethylenediamines / Q000494:pharmacology*; D006801:Humans; D008168:Lung / Q000187:drug effects; D011652:Pulmonary Circulation / Q000187:drug effects*; D011877:Radionuclide Imaging; D013667:Technetium; D013806:Theophylline / Q000494:pharmacology*
chemical_list: D005029:Ethylenediamines; D013667:Technetium; D013806:Theophylline
vernacular_title: L'azione della teofillina-etilendiamina per via venosa sulla circolazione polmonare nei soggetti normali, negli asmatici e nei bronchitici cronici, studiata con methodiche radioisotopiche