Comment on

• Metabolic and work efficiencies during exercise in Andean natives.

  Hochachka PW, Stanley C, Matheson GO, McKenzie DC, Allen PS, Parkhouse WS. Hochachka PW, et al. J Appl Physiol (1985). 1991 Apr;70(4):1720-30. doi: 10.1152/jappl.1991.70.4.1720. J Appl Physiol (1985). 1991. PMID: 2055851
• Increases in submaximal cycling efficiency mediated by altitude acclimatization.

  Green HJ, Roy B, Grant S, Hughson R, Burnett M, Otto C, Pipe A, McKenzie D, Johnson M. Green HJ, et al. J Appl Physiol (1985). 2000 Sep;89(3):1189-97. doi: 10.1152/jappl.2000.89.3.1189. J Appl Physiol (1985). 2000. PMID: 10956368