TY  - RPRT
TI  - Shuttle walking test.
AU  - S Doffman
AU  - P Hawkins
PY  - 2001
DO  - 10.1136/thorax.56.11.895a
UR  - https://pubmed.ncbi.nlm.nih.gov/11699499/
ID  - 11699499
ER  -