title: Prevalence of chronic kidney disease in a middle and old-aged population of Beijing.
authors.forename: Xu
authors.initials: X
authors.lastname: Guobing
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D002681:China / Q000453:epidemiology; D003404:Creatinine / Q000097:blood; D006801:Humans; D007676:Kidney Failure, Chronic / Q000453:epidemiology* / Q000652:urine; D008875:Middle Aged; D015995:Prevalence
chemical_list: D003404:Creatinine