Kowalski, C., Lee, S. D., Schmidt, A., Wesselmann, S., Wirtz, M. A., Pfaff, H., & Ernstmann, N. (2015). The health literate health care organization 10 item questionnaire (HLHO-10): Development and validation. BMC Health Serv Res.

Kowalski, Christoph, Shoou-Yih D. Lee, Anna Schmidt, Simone Wesselmann, Markus A. Wirtz, Holger Pfaff, and Nicole Ernstmann. "The Health Literate Health Care Organization 10 Item Questionnaire (HLHO-10): Development and Validation." BMC Health Serv Res 2015.

Kowalski, Christoph, et al. "The Health Literate Health Care Organization 10 Item Questionnaire (HLHO-10): Development and Validation." BMC Health Serv Res 2015.