N. van den Berg

Guidelines and recommendations for ensuring Good Epidemiological Practice (GEP): a guideline developed by the German Society for Epidemiology

Irene Schmidtmann, Juliane Hardt, Wolfgang Hoffmann, 2019, European Journal of Epidemiology.

Estimating spatially specific demand and supply of dental services: a longitudinal comparison in Northern Germany.

F. Schwendicke, W. Hoffmann, Ralf Jäger, 2016, Journal of public health dentistry.