Clinical features of cervical dystonia patients classified by the COL-CAP concept and treated with ultrasound-guided botulinum neurotoxin.

<p>Although there were several similarities between the results of the current and the multicentre studies, all were carried out using the COL-CAP concept and US-guided BoNT-A injections, authors should pay attention to better distinction of torti-forms and the more frequent injection of especially the obliquus capitis inferior, mainly in cases with no-no tremor.</p>.