title: Changes in serum proteins, non-protein nitrogen and urea content in ergometric exercise--a preliminary communication.
mesh_terms: D000293:Adolescent; D000328:Adult; D001798:Blood Proteins / Q000032:analysis*; D005260:Female; D006801:Humans; D008297:Male; D009584:Nitrogen / Q000097:blood*; D005082:Physical Exertion; D012737:Sex Factors; D014508:Urea / Q000097:blood*
chemical_list: D001798:Blood Proteins; D014508:Urea; D009584:Nitrogen