TY - RPRT TI - Incremental threshold loading in patients with chronic obstructive pulmonary disease. AU - L J Hopp AU - M J Kim AU - J L Larson AU - J T Sharp DO - 10.1097/00006199-199607000-00002 UR - https://pubmed.ncbi.nlm.nih.gov/8700652/ ID - 8700652 ER -