Klionsky, D., Abdalla, F., Abeliovich, H., Abraham, R., Acevedo-Arozena, A., Adeli, K., … Zuckerbraun, B. (2012). Guidelines for the use and interpretation of assays for monitoring autophagy. Autophagy, 8(4), 445-544. https://doi.org/10.4161/auto.19496

Martinez-Martin, P., Schapira, A., Stocchi, F., Sethi, K., Odin, P., MacPhee, G., … Chaudhuri, K. (2007). Prevalence of nonmotor symptoms in Parkinson’s disease in an international setting; study using nonmotor symptoms questionnaire in 545 patients. Movement Disorders : Official Journal of the Movement Disorder Society, 22(11), 1623-9. https://doi.org/10.1002/mds.21586 (Original work published 2007)