Plasma Ceramide and Glucosylceramide Metabolism Is Altered in Sporadic Parkinson's Disease and Associated with Cognitive Impairment: A Pilot StudyMichelle M. Mielke, Inga Liepelt‐Scarfone, Norman J. Haughey et al.|PLoS ONE|2013Cited by 238
Research on the Premotor Symptoms of Parkinson’s Disease: Clinical and Etiological ImplicationsHonglei Chen, Jing Zhang, Edward A. Burton et al.|Environmental Health Perspectives|2013Cited by 81
Defecatory disorders are a common cause of chronic constipation in Parkinson diseaseShivabalan Kathavarayan Ramu, Adil E. Bharucha, Nicholas R. Oblizajek et al.|Neurogastroenterology & Motility|2024Cited by 9