title: Why do we use 'clearance'?
authors.forename: L W
authors.initials: LW
authors.lastname: Henderson
mesh_terms: D003404:Creatinine / Q000378:metabolism; D007668:Kidney / Q000502:physiology*; D008433:Mathematics; D008657:Metabolic Clearance Rate; D006435:Renal Dialysis; D014508:Urea / Q000378:metabolism
chemical_list: D014508:Urea; D003404:Creatinine