TY  - GEN
AU  - Sangvik,K
AU  - Ihlen,H
AU  - Ditlefsen,E M
TI  - [ECG-recording with a portable tape recorder]
SN  - 0029-2001
PY  - 1974///1217
KW  - Electrocardiography
KW  - instrumentation
KW  - Female
KW  - Humans
KW  - Male
KW  - Middle Aged
KW  - Tape Recording
N1  - Publication Type: Journal Article
ER  -