Burrows, T. L., Hutchesson, M. J., Rollo, M. E., Boggess, M. M., Guest, M., & Collins, C. E. (2015). Fruit and Vegetable Intake Assessed by Food Frequency Questionnaire and Plasma Carotenoids: A Validation Study in Adults. Nutrients.

Burrows, Tracy L., Melinda J. Hutchesson, Megan E. Rollo, May M. Boggess, Maya Guest, et Clare E. Collins. "Fruit and Vegetable Intake Assessed By Food Frequency Questionnaire and Plasma Carotenoids: A Validation Study in Adults." Nutrients 2015.

Burrows, Tracy L., et al. "Fruit and Vegetable Intake Assessed By Food Frequency Questionnaire and Plasma Carotenoids: A Validation Study in Adults." Nutrients 2015.