Nanoindentation and surface characterization of clinically retrieved multi-force niti orthodontic archwiresCherneva, Sabina; Stoyanova-Ivanova, Angelina K.; Georgieva, Mirela; Andreeva, Laura A.; Petkov, Alexander; Petrov, Valeri G.; Petrova, Violeta P.; Mikli, ValdekRussian Journal of Biomechanics2020 / p. 240-256 https://doi.org/10.15593/RJBiomech/2020.3.02 https://ered.pstu.ru/index.php/rjb/article/view/2303 Journal metrics at Scopus Article at Scopus Physicochemical characterization on clinically retrieved TriTanium orthodontic archwiresStoyanova-Ivanova, Angelina; Ilievska, Ivana; Petrova, Violeta P.; Gueorgieva, M.; Petrov, Valeri G.; Andreeva, Laura A.; Zaleski, Andrzej Janusz; Mikli, ValdekBulgarian Chemical Communications2018 / p. 73 - 79 http://www.bcc.bas.bg/bcc_volumes/Volume_50_Special_F_2018/P73-79_Pages%20from%20BCC_50_SpIs_F_2018.pdf Journal metrics at Scopus Article at Scopus Physicochemical research of clinically retrieved CU-NI-TI orthodontic archwiresStoyanova-Ivanova, Angelina; Petrov, Valeri G.; Petrova, Violeta P.; Andreeva, Laura A.; Ilievska, Ivana; Zaleski, Andrzej Janusz; Mikli, ValdekActa Medica Bulgarica2021 / p. 68 - 74 https://doi.org/10.2478/amb-2021-0011 Journal metrics at Scopus Article at Scopus