TY  - RPRT
TI  - How important is heart rate?
AU  - E Thaulow
AU  - J E Erikssen
PY  - 1991
DO  - 10.1097/00004872-199112007-00007
UR  - https://pubmed.ncbi.nlm.nih.gov/1686457/
ID  - 1686457
ER  -