publicaciones seleccionadas artículo académico Elemental Quantification in Intradermal Tattoo-Inks by Means of Total Reflection X-Ray Fluorescence. JOURNAL OF COSMETICS, DERMATOLOGICAL SCIENCES AND APPLICATIONS. 10(1):33-53. 2020 Quantification of vitamin B - 12 content in multivitamins and elements in mineral supplements in Chile, by total reflection X-Ray fluorescence. INTERNATIONAL JOURNAL OF PHARMACEUTICAL SCIENCES AND RESEARCH. 9(9):3678-3688. 2018