Miron A, Schildkraut JM, Rimer BK, Winer EP, Sugg Skinner C, Futreal PA, Culler D, Calingaert B, Clark S, Kelly Marcom P, Iglehart JD. Testing for hereditary breast and ovarian cancer in the Southeastern United States. Ann Surg. 2000 May;231(5):624-34.
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