Ts J, Ts A, Ch B, B B, B L, Ya G. Possibility of the total reflection x-ray fluorescence spectrometer for the determination of lead in biological samples. Mong. J. Agric. Sci. [Internet]. 2019 Apr. 30 [cited 2025 Oct. 27];26(01):23-7. Available from: https://test.mongoliajol.info/MJAS/article/view/1193