المؤلفون: Oosterveld, Linda P., Allen, John C., Reinoso, Giselle, Seah, Soo-Hoon, Tay, Kay-Yaw, Au, Wing-Lok, Tan, Louis C.S.

المساهمون: National Research Foundation, Ministry of Health's National Medical Research Council, and the Singapore Millennium Foundation.

المصدر: Parkinsonism & Related Disorders ; volume 21, issue 3, page 226-230 ; ISSN 1353-8020

الاتاحة: http://dx.doi.org/10.1016/j.parkreldis.2014.12.011
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