TY  - RPRT
TI  - Exercise stress testing in the 1980s.
AU  - N L Sammel
PY  - 1984
DO  - 10.5694/j.1326-5377.1984.tb103937.x
UR  - https://pubmed.ncbi.nlm.nih.gov/6694589/
ID  - 6694589
ER  -