Helfant, Richard H. Scherlag, Benjamin J.
His bundle electro-cardiography /
Richard H. Helfant, Benjamin J. Scherlag
- New York : Medcom Press, 1974
- ix, 77 p
- Medcom medical update series .
0846301539
Electrocardiografía
Haz de his
616.120754 H474h