TY  - RPRT
TI  - Ventilatory muscle training in the elderly.
AU  - M J Belman
AU  - G A Gaesser
PY  - 1988
DO  - 10.1152/jappl.1988.64.3.899
UR  - https://pubmed.ncbi.nlm.nih.gov/3130371/
ID  - 3130371
ER  -