Raccah D, Guerci B, Ajmera M, Davis K, Meyers J, Lew E, Shaunik A, Blonde L. Clinical implications of prolonged hyperglycaemia before basal insulin initiation in type 2 diabetes patients: an electronic medical record database analysis. Endocrinol Diabetes Metab. 2019 Mar 28;2(3):e00061. doi: 10.1002/edm2.61
Luciano JV, Barrada JR, Aguado J, Osma J, García-Campayo J. Bifactor analysis and construct validity of the HADS: a cross-sectional and longitudinal study in fibromyalgia patients. Psychological Assessment. 2014 Jun;26(2):395-406.