[Electrocardiogram of the month].
Makowska
Ewa
E
Klinika Kardiologii CMKP, Warszawa, Poland.
Swiatkowski
Maciej
M
D000368:Aged; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000175:diagnosis* / Q000503:physiopathology; D006801:Humans