Analysis of the effect of poly[bis(HEMA)-phosphazene] and poly[(HEMA-g-PLA)phosphazene] on the photopolymerization contraction of Bis-GMA:TEGDMA. (2012). Superficies Y VacĂ­o, 25(1), 21-25. https://superficiesyvacio.smctsm.org.mx/index.php/SyV/article/view/223