DiTrapani J, Rockwood N, Jeon M. Explanatory IRT analysis using the SPIRT macro in SPSS. TQMP. 2018;14(2):81-98. doi: 10.20982/tqmp.14.2.p081
Esterberg E, Acharya NR. Corticosteroid-sparing therapy: practice patterns among uveitis specialists. J Ophthalmic Inflamm Infect. 2012 Mar;2(1):21-8. doi: 10.1007/s12348-011-0047-5
Strutton DR, Farkouh RA, Earnshaw SR, Hwang S, Theidel U, Kontodimas S, Klok R, Papanicolaou S. Cost-effectiveness of 13-valent pneumococcal conjugate vaccine: Germany, Greece, and The Netherlands. J Infect. 2012 Jan 1;64(1):54-67.