Increased CSF DOPA Decarboxylase Correlates with Lower DaT-SPECT Binding: Analyses in Biopark and PPMI Cohorts. - Khosousi S; Sturchio A; Appleton E; Paslawski W; Ta M; Nalls M; Singleton AB; Iwaki H; Svenningsson P (Movement disorders : official journal of the Movement Disorder Society, 2024)