title: Letter: Age-adjusted standards for creatinine clearance.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D003404:Creatinine / Q000378:metabolism*; D005919:Glomerular Filtration Rate; D006801:Humans; D007677:Kidney Function Tests / Q000592:standards*; D008297:Male; D008875:Middle Aged
chemical_list: D003404:Creatinine