Clinical Rehabilitation · 2013 · 92 citations · 32 references
Preoperative physical therapy improved pulmonary function and physical performance in the pre- and postoperative periods among patients undergoing upper abdominal surgery.
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Martin R. Miller, J. Hankinson, Vito Brusasco et al. · European Respiratory Journal · 2005 · 15.4K citations · Full text
American Journal of Respiratory and Critical Care Medicine · 2002 · 10.5K citations
Perceived exertion as an indicator of somatic stress
G Borg · Journal of Rehabilitation Medicine · 1970 · 4.7K citations · Full text
ASA Physical Status Classifications
William D. Owens, James A. Felts, Edward L. Spitznagel · Anesthesiology · 1978 · 1.9K citations · Full text
Physiological Status, Measurement, Perioperative Medicine +17