TY  - RPRT
TI  - Pulmonary changes during marathon training: a longitudinal study.
AU  - D A Kaufmann
AU  - E W Swenson
PY  - 1981
DO  - 10.1159/000194385
UR  - https://pubmed.ncbi.nlm.nih.gov/6795707/
ID  - 6795707
ER  -