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2. Effects of surgical operation and bed rest on cardiovascular responses to exercise in hospital patients;Bassey;Cardiovascular Res.,1973
3. Independence of changes in functional and performance capacities attending prolonged bed rest;Chase;Aerospace Med.,1966
4. Electronic bicycle ergometer: a simple calibration procedure;Clark;J. Appl. Physiol.,1971
5. Maximum oxygen consumption and functional state of the circulation in similated zero gravity;Georgievskii,1966