[Effect of Flack's (Valsalva's) test on the electrocardiographic curve].
D019069:Cell Respiration; D004562:Electrocardiography; D012119:Respiration / Q000502:physiology*
ELECTROCARDIOGRAPHY; RESPIRATION/physiology
Wpływ próby Flacka (Valsalvy) na krzywa elektrokardiograficzna.