Domdey A, Njue A, Nuabor W, Lyall M, Heyes A, Elliott L. Allergy immunotherapies for allergic rhinitis: systematic review and assessment of evolving quality. Eur Ann Allergy Clin Immunol. 2019 Jul;51(4):147-58. doi: 10.23822/EurAnnACI.1764-1489.100
Le Moine JG, Fiestas Navarrete L, Katumba K, Launois R. Psychometric validation of the 14 items chronic venous insufficiency quality of life questionnaire (CIVIQ-14): confirmatory factor analysis. Eur J Vasc Endovasc Surg. 2016 Feb;51(2):268-74. doi: 10.1016/j.ejvs.2015.08.020.
Caro JJ, Ward A, Craig T, Huybrecht K, Arana A, Wait S, Eleftheriou A. Impact of thalassemia major on patients and their families. Acta Haematol. 2002;107(3):150-7.
Williams VSL. The "unbiased" anchor: bridging the gap between DIF and item bias. Appl Meas Educ. 1997;10(3):253-67. doi: 10.1207/s15324818ame1003_4