# The Natural History of Depression in Parkinson’s Disease within 30-Month Follow-Up

> Research article (Parkinson s Disease, 2015) · cited 10× · AI/ML

**Wikidata**: [openalex:W2011102598](https://www.wikidata.org/wiki/openalex:W2011102598)  
**Source**: https://4ort.xyz/entity/the-natural-history-of-depression-in-parkinsons-disease-within-30-month-follow-up