• The problems of the determination of Pb, Cd and Se by electrothermal AAS in biological samplesViitak, Anu; Treumann, Maili; Lahne, Riina; Susi, Tiina; Hödrejärv, Helvi5th European Furnace Symposium and 10th International Solid Sampling Colloquium with Atomic Spectroscopy, Baloevgrad, Bulgaria, 20022002 / p. 91