Tetracycline and blood urea.
D001806:Blood Urea Nitrogen; D006801:Humans; D007676:Kidney Failure, Chronic / Q000188:drug therapy; D013752:Tetracycline / Q000009:adverse effects / Q000097:blood / Q000494:pharmacology*; D014508:Urea / Q000097:blood*
D014508:Urea; D013752:Tetracycline