TI  - Investigating the effect of photoinitiator ratio on the polymerization shrinkage in dental composites by two comparative methods
AU  - TEKEREK, B.S.
AU  - YÃœCEL, S.
AU  - AYDIN, Ä.
AU  - ÃœNAL, A.
SO  - Sigma Journal of Engineering and Natural Sciences 2015;33:33-40.
DO  -