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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Images of the first and second random mapped area of Bismuth Oxide 120 mg FC Tabs after dispersion in original mode (A,C) and after processing with direct classical least squares (DCLS) method (B,D) using 50× magnification objective lens.