TY  - GEN
AU  - Apud,E
AU  - Vallejos,M E
TI  - [Heart rate at the work site as an index of physiologic overload]
SN  - 0034-9887
PY  - 1974///0916
KW  - Cardiac Output
KW  - Electrocardiography
KW  - Heart Rate
KW  - Humans
KW  - Male
KW  - Mining
KW  - Occupational Medicine
KW  - Pulse
N1  - Publication Type: English Abstract; Journal Article
ER  -