[On polarographic determination of lead in the urine in the presence of chromium and zinc].
D002857:Chromium / Q000652:urine*; D006801:Humans; D007854:Lead / Q000652:urine*; D007855:Lead Poisoning / Q000175:diagnosis*; D008722:Methods; D011048:Polarography; D015032:Zinc / Q000652:urine*
D002857:Chromium; D007854:Lead; D015032:Zinc
O poliarograficheskom opredelenii svintsa v moche v prisutstvii khroma i tsinka.