Irreducible Traumatic Radial Head Dislocation Due to Annular Ligament Interposition in a Child with Ulnar Plastic Deformation: A Case Report oleh Dung T Tran, Nam T Vu, Quynh T Nguyen, Toan D Duong, Du G Hoang, Son N Dinh, Son M Le, Thanh X Dao, Long H Nguyen