Haemoglobin and physical training in male and female residents of moderate altitude - Böning, D.; Rojas, J.; Serrato, M.; Ulloa, C.; Coy, L.; Mora, M.; Gomez, J.; Hütler, M. (Book of abstracts of the 6th annual congress of the European College of Sport Science, 15th congress of the German Society of Sport Science. Cologne, 24-28 July 2001, 2001)