Inter-relationships between pituitary-adrenal hormones and catecholamines during a 6-day Nordic ski race. - Fellmann,N.; Bedu,M.; Boudet,G.; Mage,M.; Sagnol,M.; Pequignot,J.M.; Claustrat,B.; Brun,J.; Peyrin,L.; Coudert,J. (Eur J Appl Physiol, 1992)