@article{article17f3ef03,
title   = {Validity of a Brazilian version of the zung self-rating depression scale for screening of depression in patients with parkinson's disease},
author = {Chagas, Marcos Hortes Nisihara and Tumas, Vitor and Loureiro, Sonia Regina and Hallak, Jaime Eduardo Cecílio and Trzesniak, Clarissa and Sousa, João Paulo Machado de and Rodrigues, Guilherme Gustavo Riccioppo and Santos Filho, Alaor and Crippa, José Alexandre de Souza},
year = {2010},
doi = {10.1016/j.parkreldis.2009.07.010},
journal   = {Parkinsonism and Related Disorders}
}