Endocrine responses to acute and chronic high-altitude exposure (4,300 meters): modulating effects of caloric restriction.
Barnholt KE, Hoffman AR, Rock PB, Muza SR, Fulco CS, Braun B, Holloway L, Mazzeo RS, Cymerman A, Friedlander AL. Endocrine responses to acute and chronic high-altitude exposure (4,300 meters): modulating effects of caloric restriction. Am J Physiol Endocrinol Metab. 2006 Jun; 290(6):E1078-88.