Gerber, T., S. Giezendanner, and A. Zeller. “Measuring Workload of Swiss General Practice: A Five-Yearly Questionnaire-Based Survey on General practitioners’ Self-Reported Working Activities (2005–2020)”. Swiss Medical Weekly, vol. 152, no. 2526, June 2022, p. w30196, doi:10.4414/SMW.2022.w30196.