TY  - GEN
AU  - Martínez-López,J I
TI  - ECG of the month. End of the block. Second-degree AV block
SN  - 0024-6921
PY  - 1992///0922
KW  - Aged
KW  - Electrocardiography
KW  - Heart Block
KW  - diagnosis
KW  - Humans
KW  - Male
N1  - Publication Type: Case Reports; Journal Article
ER  -