A rare case of atrioventricular extrasystole due to myocarditidis produetivae instilaris and congenital functional stenosis of the left venous opening - PDF (Russian)
© 2021 Korovkina V.N., Vasilyeva V.A.
This work is licensed
under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.