Disc disorders of the spine
From FOAM EMed Index
How Common are Herniated Disks in Children?
https://pediatriceducation.org/2016/09/19/how-common-are-herniated-disks-in-children/
SURGICAL DISORDERS OF THE CERVICAL SPINE: PRESENTATION AND MANAGEMENT OF COMMON DISORDERS
http://jnnp.bmj.com/content/73/suppl_1/i34.full