%0 Journal Article %T Voluntary and spontaneous facial mimicry toward other¡¯s emotional expression in patients with Parkinson¡¯s disease %A Christian Wallraven %A Dilara Derva %A Do-Young Kwon %A June Kang %J Archive of "PLoS ONE". %D 2019 %R 10.1371/journal.pone.0214957 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6459535/