Farzanegan, F., Z. Bamrood, A. Rangrazi, and H. Shafaee. “Effect of Ibuprofen and Low-Intensity Pulsed Ultrasound on the Reduction of Pain After Initial Archwire Placement: A Double-Blind Randomized Clinical Trial.”. Journal of Oral Research, Vol. 11, no. 1, Feb. 2022, pp. 1-12, doi:10.17126/joralres.2022.001.