Macht, Michael, Christian Gerlich, Heiner Ellgring, and The Infopark Collaboration. “Information Needs in Older Persons With Parkinson’s Disease in Germany: A Qualitative Study”. Forum Qualitative Sozialforschung / Forum: Qualitative Social Research 4, no. 1 (January 31, 2003). Accessed December 4, 2024. https://www.qualitative-research.net/index.php/fqs/article/view/760.