Ca ja Mg sisaldused üliõpilaste vereseerumis sõltuvalt toitumisharjumistestViitak, Anu; Lahne, Riina; Vaarmann, Aini; Treumann, Maili; Friedenthal, Margus; Hödrejärv, Helvi; Lipre, EndlaXXVI Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 26th Estonian Chemistry Days : abstracts of scientific conference2000 / lk. 160

A computerized flow injection analysis manifold for interference determination in flame atomic absorption spectrometryLahne, Riina; Viitak, Anu; Hödrejärv, Helvi; Treumann, Maili; Friedenthal, Margus; Kaljurand, MihkelProceedings of the Estonian Academy of Sciences. Chemistry2002 / p. 29-37 : ill

Ekspressmeetod interferentide mõju uurimiseks AAS-isLahne, Riina; Kaljurand, Mihkel; Viitak, AnuXXV Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 25th Estonian Chemistry Days : abstracts of scientific conference1999 / lk. 67

Modificated methods for the determination of Ca in the milk and blood serum in the study of Ca metabolism in manViitak, Anu; Lahne, Riina; Hödrejärv, Helvi; Kaljurand, Mihkel; Friedenthal, Margus; Tuulik, ViiuEUROANALYSIS XI : European Conference on Analytical Chemistry : Lissabon, Portugal, September 3-8, 2000 : book of abstracts2001 / p. 256

The interference of calcium with phosphate in AAsLahne, Riina; Viitak, Anu; Kaljurand, Mihkel; Hödrejärv, Helvi; Treumann, MailiEUROANALYSIS XI : European Conference on Analytical Chemistry : Lissabon, Portugal, September 3-8, 2000 : book of abstracts2001 / p. 100

The modified methods of determination of bioelements in blood serum of Estonian people by the method of AASViitak, Anu; Fuchs, Kristiina; Kaljurand, Mihkel; Treumann, Maili; Lahne, RiinaIMA'03 : 3rd International Conference : Instrumental Methods of Analysis Modern Trends and Applications : 23-27 September 2003, Thessaloniki, Greece : conference proceedings2003 / p. 230-233 : ill

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