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Robison SE, Block SS, Boudreaux JD, Flora RJ.Robison SE, et al. Among authors: block ss.J Am Optom Assoc. 1999 Sep;70(9):563-70.J Am Optom Assoc. 1999.PMID: 10547971
Scharre JE, Cotter SA, Block SS, Kelly SA.Scharre JE, et al. Among authors: block ss.Optom Vis Sci. 1990 Nov;67(11):826-32. doi: 10.1097/00006324-199011000-00007.Optom Vis Sci. 1990.PMID: 2250891
Block SS, Moore BD, Scharre JE.Block SS, et al.Optom Vis Sci. 1997 Jan;74(1):28-36. doi: 10.1097/00006324-199701000-00017.Optom Vis Sci. 1997.PMID: 9148264
Pang Y, Goodfellow GW, Allison C, Block S, Frantz KA.Pang Y, et al.Invest Ophthalmol Vis Sci. 2011 Apr 14;52(5):2444-9. doi: 10.1167/iovs.10-5550.Invest Ophthalmol Vis Sci. 2011.PMID: 21071748
Cotter SA, Cyert LA, Miller JM, Quinn GE; National Expert Panel to the National Center for Children’s Vision and Eye Health.Cotter SA, et al.Optom Vis Sci. 2015 Jan;92(1):6-16. doi: 10.1097/OPX.0000000000000429.Optom Vis Sci. 2015.PMID: 25562476Free PMC article.