title: [Clinical observations on the circulatory system in premature infants with respiratory distress syndrome].
mesh_terms: D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000503:physiopathology*; D006352:Heart Ventricles / Q000503:physiopathology; D006439:Hemodynamics; D006801:Humans; D007231:Infant, Newborn; D012127:Respiratory Distress Syndrome, Newborn / Q000503:physiopathology*
vernacular_title: Kliniczne obserwacje układu krazenia u wcześniaków z zespołem zaburzeń oddychania.