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[THE DETERMINATION OF ARSENIC IN THE URINE].
LENSTRA JB, DE WOLF JN. LENSTRA JB, et al. Among authors: de wolf jn. Pharm Weekbl. 1965 Feb 12;100:232-8. Pharm Weekbl. 1965. PMID: 14308533 Dutch. No abstract available.
[DETERMINATION OF THALLIUM IN URINE].
DE WOLF JN, LENSTRA JB. DE WOLF JN, et al. Pharm Weekbl. 1964 Apr 17;99:377-82. Pharm Weekbl. 1964. PMID: 14146272 Dutch. No abstract available.