International study on the psychometric attributes of the non-motor symptoms scale in Parkinson disease.
Martinez-Martin P, Rodriguez-Blazquez C, Abe K, Bhattacharyya KB, Bloem BR, Carod-Artal FJ, Prakash R, Esselink RA, Falup-Pecurariu C, Gallardo M, Mir P, Naidu Y, Nicoletti A, Sethi K, Tsuboi Y, van Hilten JJ, Visser M, Zappia M, Chaudhuri KR.
Martinez-Martin P, et al. Among authors: bloem br.
Neurology. 2009 Nov 10;73(19):1584-91. doi: 10.1212/WNL.0b013e3181c0d416.
Neurology. 2009.
PMID: 19901251
Free article.