Sarda SP, Heyes A, Bektas M, Thankur T, Chao W, Intorcia M, Wronski S, Jones DL. Humanistic and economic burden of geographic atrophy: a systematic literature review. Clin Opththa. 2021 Dec 8;2021(15):4629-44.
Dreyer NA, Loughlin JE, Rothman KJ. Epidemiologic safety surveillance of cellular telephones in the US. Radiat Prot Dosimetry. 1999 Jun;83(1):159-63.
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