title: Urea and nitrogen metabolism in patients treated with haemofiltration.
mesh_terms: D001769:Blood; D005260:Female; D006801:Humans; D008875:Middle Aged; D009584:Nitrogen / Q000378:metabolism*; D014462:Ultrafiltration; D014508:Urea / Q000378:metabolism*
chemical_list: D014508:Urea; D009584:Nitrogen