Cole W, Samsell B, Moore MA. Achilles tendon augmented repair using human acellular dermal matrix: a case series. J Foot Ankle Surg. 2018 Dec;57(6):1225-9. doi: 10.1053/j.jfas.2018.03.006
Fleming A, Goatman KA, Sharp PF, Styles CJ, Wikes WN, Olson JA. A large scale validation of automated grading. Eur J Ophthalmol. 2009 May 1;19(3):504.