Cite
The National Eye Institute 25-Item Visual Function Questionnaire (NEI VFQ-25) - reference data from the German population-based Gutenberg Health Study (GHS).
MLA
Nickels, Stefan, et al. “The National Eye Institute 25-Item Visual Function Questionnaire (NEI VFQ-25) - Reference Data from the German Population-Based Gutenberg Health Study (GHS).” Health and Quality of Life Outcomes, vol. 15, no. 1, Aug. 2017, p. 156. EBSCOhost, https://doi.org/10.1186/s12955-017-0732-7.
APA
Nickels, S., Schuster, A. K., Singer, S., Wild, P. S., Laubert-Reh, D., Schulz, A., Finger, R. P., Michal, M., Beutel, M. E., Münzel, T., Lackner, K. J., & Pfeiffer, N. (2017). The National Eye Institute 25-Item Visual Function Questionnaire (NEI VFQ-25) - reference data from the German population-based Gutenberg Health Study (GHS). Health and Quality of Life Outcomes, 15(1), 156. https://doi.org/10.1186/s12955-017-0732-7
Chicago
Nickels, Stefan, Alexander K Schuster, Susanne Singer, Philipp S Wild, Dagmar Laubert-Reh, Andreas Schulz, Robert P Finger, et al. 2017. “The National Eye Institute 25-Item Visual Function Questionnaire (NEI VFQ-25) - Reference Data from the German Population-Based Gutenberg Health Study (GHS).” Health and Quality of Life Outcomes 15 (1): 156. doi:10.1186/s12955-017-0732-7.