Variability in urinary  -aminoisobutyric acid and creatinine in a human control group.
D000328:Adult; D000368:Aged; D000621:Aminoisobutyric Acids / Q000652:urine*; D002940:Circadian Rhythm; D003404:Creatinine / Q000652:urine*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
D000621:Aminoisobutyric Acids; D003404:Creatinine