Saif MW, Parikh R, Ray D, Kaye JA, Kurosky SK, Thomas K, Ramirez RA, Halfdanarson TR, Beveridge TJR, Mirakhur B, Nagar SP, Soares HP. Medical record review of transition to lanreotide following octreotide for neuroendocrine tumors. J Gastrointest Oncol. 2019 Aug;10(4):674-87. doi: 10.21037/jgo.2019.03.11
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