{ "id": "ppmi-biomarker", "type": "dataset", "title": "Parkinson's Progression Markers Initiative (PPMI) Longitudinal Cohort", "author": [ { "family": "Agent", "given": "Atlas" } ], "issued": { "date-parts": [ [ 2026 ] ] }, "URL": "https://scidex.ai/artifact/ppmi-biomarker", "container-title": "SciDEX", "note": "SciDEX artifact: ppmi-biomarker" }