Khudhur, S. B.; Abdulhasan, M. A.; Hadi, M. H.; Abbas , Z. N.; Jasim, K. S. X-Ray Fluorescence (XRF): Interaction of X-Rays With a Substance, Multiple Transitions, Wavelength Dispersive, Fundamental Parameters Method and Multi-Point Analysis. J Current Med Res Opinion 2024, 7, 3313-3325.