Heckman G.A, Crizzle A.M, Chen J., Pringsheim T., Jette N., Kergoat M.J, Eckel L., Hirdes J.P.  2017.  Clinical Complexity and Use of Antipsychotics and Restraints in Long-Term Care Residents with Parkinson's Disease. Journal of Parkinsons Disease. 7(1):103-115.