title: Plasma creatinine and urea concentration in children: normal values for age and sex.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D003404:Creatinine / Q000097:blood*; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D012737:Sex Factors; D014508:Urea / Q000097:blood*
chemical_list: D014508:Urea; D003404:Creatinine