title: [Long-distance bicycle contest. Heart rhythm and serum enzymes].
mesh_terms: D000328:Adult; D001642:Bicycling; D004798:Enzymes / Q000097:blood*; D006339:Heart Rate; D006801:Humans; D008297:Male; D005082:Physical Exertion; D013177:Sports
chemical_list: D004798:Enzymes
vernacular_title: Sykkelrittet den store styrkeprøven. Hjerterytme og serumenzymer.