Comparison of cytotoxicity among three gingival retraction cords on human gingival fibroblasts in vitro
Ni Ying, Zhang Xiao-ming, Hui Min, Liu Jian
Chinese Journal of Tissue Engineering Research . 2012, (
29
): 5396 -5400 . DOI: 10.3969/j.issn. 2095-4344.2012.29. 016