Mordin M, Parrish W, Masaquel C, Bisson B, Copley-Merriman K. Intra-articular hyaluronic acid for osteoarthritis of the knee in the United States: a systematic review of economic evaluations. Clin Med Insights Arthritis Musculoskelet Disord. 2021 Nov 19;14:1-13. doi: 10.1177/11795441211047284
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.
Clarkson TB, Anthony MS, Klein KP. Effects of estrogen treatment on arterial wall structure and function. Drugs. 1984;47(Suppl 2):42-51.