Heuschkel, A., Geißler, K., Boeger, D., Buentzel, J., Esser, D., Hoffmann, K., … Guntinas-Lichius, O. (2018). Inpatient treatment of patients with idiopathic sudden sensorineural hearing loss: a population-based healthcare research study. European Archives of Oto-Rhino-Laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated With the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery. https://doi.org/10.1007/s00405-018-4870-2 (Original work published 2018)

Hoffmann, K., Paczkowska, A., Bońka, A., Michalak, M., Bryl, W., Kopciuch, D., … Kus, K. (2022). Assessment of the Impact of the COVID-19 Pandemic on the Pro-Health Behavior of Poles. International Journal of Environmental Research and Public Health, 19(3). https://doi.org/10.3390/ijerph19031299 (Original work published 2022)