Gifford, K. A., Liu, D., Romano, R. R., Jones, R. N., & Jefferson, A. L. (2015). Development of a subjective cognitive decline questionnaire using item response theory: A pilot study. Alzheimers Dement (Amst).

Gifford, Katherine A., Dandan Liu, Raymond R. Romano, Richard N. Jones, و Angela L. Jefferson. "Development of a Subjective Cognitive Decline Questionnaire Using Item Response Theory: A Pilot Study." Alzheimers Dement (Amst) 2015.

Gifford, Katherine A., et al. "Development of a Subjective Cognitive Decline Questionnaire Using Item Response Theory: A Pilot Study." Alzheimers Dement (Amst) 2015.