Steck, N., C. Junker, M. Bopp, M. Egger, and M. Zwahlen. “Time Trend of Suicide in Swiss Male Farmers and Comparison With Other Men: A Cohort Study”. Swiss Medical Weekly, vol. 150, no. 2122, May 2020, p. w20251, doi:10.4414/smw.2020.20251.