Tse P, Cheng J, Chow Y, Leung P C
Acta Orthop Scand. 1987 Jun;58(3):270-2. doi: 10.3109/17453678709146482.
Nineteen patients were operated on for congenital muscular torticollis after the age of 1 year. Tenotomy gave good results below 5 years of age and resection of the sternocleidomastoid muscle was satisfactory in most of the older children.