TY - RPRT TI - Predicting treadmill/walking speed from cycle ergometry exercise in chronic obstructive pulmonary disease. AU - A L Ries AU - K M Moser PY - 1982 DO - 10.1164/arrd.1982.126.5.924 UR - https://pubmed.ncbi.nlm.nih.gov/7149459/ ID - 7149459 ER -