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Varikooty J, Keir N, Richter D, Jones LW, Woods C, Fonn D.Varikooty J, et al. Among authors: richter d.Optom Vis Sci. 2013 Sep;90(9):945-53. doi: 10.1097/OPX.0b013e31829d8dbf.Optom Vis Sci. 2013.PMID: 23892493Clinical Trial.
Dumbleton K, Richter D, Bergenske P, Jones LW.Dumbleton K, et al. Among authors: richter d.Optom Vis Sci. 2013 Apr;90(4):351-8. doi: 10.1097/OPX.0b013e318288afcb.Optom Vis Sci. 2013.PMID: 23458980
Dumbleton KA, Richter D, Woods CA, Aakre BM, Plowright A, Morgan PB, Jones LW.Dumbleton KA, et al. Among authors: richter d.Cont Lens Anterior Eye. 2013 Dec;36(6):304-12. doi: 10.1016/j.clae.2013.05.004. Epub 2013 Jul 8.Cont Lens Anterior Eye. 2013.PMID: 23845663
Dumbleton KA, Chalmers RL, Richter DB, Fonn D.Dumbleton KA, et al. Among authors: richter db.Optom Vis Sci. 1999 Dec;76(12):845-9. doi: 10.1097/00006324-199912000-00020.Optom Vis Sci. 1999.PMID: 10612406Clinical Trial.
Dumbleton KA, Chalmers RL, Richter DB, Fonn D.Dumbleton KA, et al. Among authors: richter db.Optom Vis Sci. 2001 Mar;78(3):147-51. doi: 10.1097/00006324-200103000-00006.Optom Vis Sci. 2001.PMID: 11327675Clinical Trial.
Elliott M, Simpson T, Richter D, Fonn D.Elliott M, et al. Among authors: richter d.Optom Vis Sci. 1997 Jun;74(6):434-8. doi: 10.1097/00006324-199706000-00028.Optom Vis Sci. 1997.PMID: 9255823