Tzonev, K <br/><br/>
Changes in the phases of the mechanical systole of the left ventricle and their correlation with the gas composition of the blood in nonspecific and specific pulmonary diseases.  [electronic resource] 

 -  Bibliotheca cardiologica  1975 
 - 218-22 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0067-7906 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Aged<br/>Blood Gas Analysis<br/>Carbon Dioxide--blood<br/>Electrocardiography<br/>Female<br/>Heart Ventricles--physiopathology<br/>Humans<br/>Lung Diseases--blood<br/>Male<br/>Middle Aged<br/>Myocardial Contraction<br/>Oxygen--blood<br/>Phonocardiography<br/>Pulse<br/>Respiration