Author = Gouda, Wesam El Dein Rafet Ali
A comparative study of the frictional forces between metallic bracket and ceramic bracket using conventional and unconventional elastomeric ligature

Volume 64, Issue 3 - July (Orthodontics, Pediatric & Preventive Dentistry), July 2018, Pages 1999-2006

Mohamed Ahmed M. A. Salim; Wesam El Dein Rafet Ali Gouda; Osama Thabet Ahmed Hemdan