TY  - RPRT
TI  - Preamplifier circuit for heart rate meter.
AU  - S N Tandon
PY  - 1980
DO  - 10.1016/0141-5425(80)90153-3
UR  - https://pubmed.ncbi.nlm.nih.gov/7412253/
ID  - 7412253
ER  -