WAERN URBAN. “Health and Disease at the Age of Sixty: Findings in a Health Survey of 60-Year-Old Men in Uppsala and a Comparison With Men 10 Years Younger”. Upsala Journal of Medical Sciences 83, no. 3 (September 1, 1978): 153-162. Accessed February 14, 2025. https://ujms.net/index.php/ujms/article/view/7233.