Effect of Bacterial Lipopolysaccharide Contamination on Gutta Percha- versus Resilon-Induced Human Monocyte Cell Line Toxicity. - Hadjati, Jamshid; Assadian, Hadi; Ghorbanzadeh, Abdollah; Nourizadeh, Maryam; Fattah, Tahereh; Shokouhinejad, Noushin (Frontiers in Dentistry)