Chronic renal failure or simple starvation?
D000328:Adult; D001835:Body Weight; D003681:Dehydration; D006801:Humans; D007676:Kidney Failure, Chronic / Q000378:metabolism; D013217:Starvation / Q000097:blood / Q000378:metabolism; D014508:Urea / Q000097:blood
D014508:Urea