TY  - GEN
TI  - Electrocardiograms of the month
SN  - 0028-7628
PY  - 1980///0324
KW  - Aged
KW  - Electrocardiography
KW  - Heart Block
KW  - diagnosis
KW  - Humans
KW  - Male
N1  - Publication Type: Case Reports; Journal Article
ER  -