TY  - RPRT
TI  - Upper extremity exercise training in chronic obstructive pulmonary disease.
AU  - A L Ries
AU  - B Ellis
AU  - R W Hawkins
PY  - 1988
DO  - 10.1378/chest.93.4.688
UR  - https://pubmed.ncbi.nlm.nih.gov/3349825/
ID  - 3349825
ER  -