Haugan, G., Drageset, J., André, B., Kukulu, K., Mugisha, J., & Utvær, B. K. S. (2020). Assessing quality of life in older adults: Psychometric properties of the OPQoL-brief questionnaire in a nursing home population. Health Qual Life Outcomes.

Haugan, Gørill, Jorunn Drageset, Beate André, Kamile Kukulu, James Mugisha, και Britt Karin S. Utvær. "Assessing Quality of Life in Older Adults: Psychometric Properties of the OPQoL-brief Questionnaire in a Nursing Home Population." Health Qual Life Outcomes 2020.

Haugan, Gørill, et al. "Assessing Quality of Life in Older Adults: Psychometric Properties of the OPQoL-brief Questionnaire in a Nursing Home Population." Health Qual Life Outcomes 2020.