PĂSTRAV, M. .; CHISNOIU, A. M. .; PĂSTRAV, O. .; SILAGHI DUMITRESCU, L. .; SAROSI, L.-C.; TARMURE, V. . COMPARATIVE IN VITRO STUDY OF THE DIFFERENT ORTHODONTIC BRACKETS USING TWO ETCHING TECHNIQUES. Studia UBB Chemia 2017, 62, 201-209.