TY  - RPRT
TI  - Letter: Exercise testing for heart diseases.
AU  - S R Gambino
AU  - R S Galen
PY  - 1975
DO  - 10.1056/nejm197512182932520
UR  - https://pubmed.ncbi.nlm.nih.gov/1186835/
ID  - 1186835
ER  -