TY  - RPRT
TI  - Chronotropic response during exercise testing in old people.
AU  - D Zdrenghea
AU  - L Gheorghiu
AU  - A Vultur
AU  - G Icusca
AU  - D Timis
UR  - https://pubmed.ncbi.nlm.nih.gov/8130755/
ID  - 8130755
ER  -