title: Parkinson's disease: 4 big questions.
authors: Sarah
authors: S
authors: Deweerdt
mesh_terms: D015415:Biomarkers / Q000032:analysis / Q000097:blood / Q000652:urine; D001921:Brain / Q000378:metabolism / Q000503:physiopathology; D015331:Cohort Studies; D018450:Disease Progression; D000069196:Gastrointestinal Microbiome; D041981:Gastrointestinal Tract / Q000382:microbiology / Q000503:physiopathology*; D006801:Humans; D010300:Parkinson Disease / Q000145:classification / Q000209:etiology / Q000378:metabolism / Q000503:physiopathology; D011379:Prognosis; D051844:alpha-Synuclein / Q000378:metabolism*
chemical_list: D015415:Biomarkers; D051844:alpha-Synuclein