Tsypin, L E [State of heart activity in children following surgery on the thoracic organs]. [electronic resource] - Vestnik Akademii meditsinskikh nauk SSSR 1972 - 31-6 p. digital Publication Type: Journal Article ISSN: 0002-3027 Subjects--Topical Terms: AdolescentBronchiectasis--surgeryChildChild, PreschoolElectrocardiographyFemaleHeart--physiopathologyHumansMaleMediastinal Cyst--surgeryMediastinal Neoplasms--surgeryPostoperative Complications--diagnosis