1. Sokoloff L, Bland JH. The musculoskeletal system. Baltimore: Williams & Wilkins; 1975.
2. Gravallese EM, Smolen JS, van der Heijde D, Weinblatt ME, Weisman MH, Hochberg MC. Rheumatology. 8th ed. Philadelphia: Elsevier; 2021. In press
3. Smith MD. The normal synovium. Open Rheumatol J. 2011;5:100–6.
4. Veale DJ, Firestein GS. Chapter 2: synovium. In: Firestein GS, Budd RC, Gabriel SE, Korestsky GA, McInnes IB, O'Dell JR, editors. Firestein and Kelley’s textbook of rheumatology. 11th ed. Philadelphia, PA: Elsevier; 2021. p. 20–33.
5. Dodge GR, Boesler EW, Jimenez SA. Expression of the basement membrane heparan sulfate proteoglycan (perlecan) in human synovium and in cultured human synovial cells. Lab Investig. 1995;73(5):649–57.