title: [Load intensity during running and roller-ski training in cross-country skiers].
mesh_terms: D006801:Humans; D008297:Male; D005082:Physical Exertion; D011674:Pulse; D012865:Skiing; D013178:Sports Medicine
vernacular_title: Die Belastungsintensität während Lauf- und Rollerski- Training bei Skilangläufern.