TY  - RPRT
TI  - Sinus bradycardia: elevating a slow heart rate.
AU  - A N Elder
PY  - 1994
DO  - 10.1097/00152193-199411000-00018
UR  - https://pubmed.ncbi.nlm.nih.gov/7854696/
ID  - 7854696
ER  -