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.
Britt (DiBenedetti) DM, Collins FL, Cohen LM. Cigarette smoking and chewing gum use among college students. J Appl Biobehav Res. 2007 Jun 4;4(2):85-90. doi: 10.1111/j.1751-9861.1999.tb00057.x