%0 Journal Article %T The effects of anxiety and external attentional focus on postural control in patients with Parkinson's disease %A Akram Azad %A Ghorban Taghizadeh %A Hajar Mehdizadeh %A Hawre Rahimzadegan %A Kinda Khalaf %A Mahbubeh Mandehgary Najafabadi %A Mohamad Parnianpour %A Saeed Behzadipour %A Saeed Moradi %A Seyed Amirhassan Habibi %A Seyede Zohreh Jazaeri %A Zakieh Sadat Saberi %J Archive of "PLoS ONE". %D 2018 %R 10.1371/journal.pone.0192168 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5794142/