Farzanegan, Fahimeh, 		Bamrood, Zahra, 		Rangrazi, Abdolrasoul, AND 		Shafaee, Hooman.
" Effect of ibuprofen and low-intensity pulsed ultrasound on the reduction of pain after initial archwire placement: a double-blind randomized clinical trial." <em>Journal of Oral Research</em> [Online], Volume 11 Number 1 (28 February 2022)