GCH1 mutations are common in Serbian patients with dystonia-parkinsonism: Challenging previously reported prevalence rates of DOPA-responsive dystonia

Dobričić V, Tomić A, Branković V, Kresojević N, Janković M, Westenberger A, Rašić VM, Klein C, Novaković I, Svetel M, Kostić VS.
Parkinsonism Relat Disord. 2017 Dec;45:81-84. doi: 10.1016/j.parkreldis.2017.09.017. Epub 2017 Sep 18.
https://www.ncbi.nlm.nih.gov/pubmed/28958832