[Esophageal lead in electrocardiagraphy in hypertension].
D004562:Electrocardiography; D049672:History, 19th Century; D006973:Hypertension / Q000502:physiology*; D010827:Physiology
ELECTROCARDIOGRAPHY; HYPERTENSION/physiology
Pishchevodnoe otvedenie elektrokardiogrammy pri gipertonicheskoi bolezni.