1: Rowe DJ, Ko S, Tom XM, Silverstein SJ, Richards DW. Enhanced production of mineralized nodules and collagenous proteins in vitro by calcium ascorbate supplemented with vitamin C metabolites. J Periodontol. 1999 Sep;70(9):992-9.

2: Mullen LM, Richards DW, Quaranta V. Evidence that laminin-5 is a component of the tooth surface internal basal lamina, supporting epithelial cell adhesion. J Periodontal Res. 1999 Jan;34(1):16-24.

3: Wu YM, Richards DW, Rowe DJ. Production of matrix-degrading enzymes and inhibition of osteoclast-like cell differentiation by fibroblast-like cells from the periodontal ligament of human primary teeth. J Dent Res. 1999 Feb;78(2):681-9.

4: Richards DW, MacPhail LA, Dekker N, Greenspan D, Greenspan JS, Lozada-Nur F, Regezi JA. Expression of laminin 5, fibronectin, and epithelium-associated integrins in recurrent aphthous ulcers. J Dent Res. 1996 Jul;75(7):1512-7.

5: Wakabayashi RC, Wong F,Richards DW, Johnson PW. Protease repertoires of cells adherent to membranes recovered after guided tissue regeneration. J Periodontal Res. 1996 Apr;31(3):171-80.

6: Kapila S, Lee C, Tavakkoli Jou MR, Miller AJ, Richards DW. Development and histologic characterizations of an animal model of antigen-induced arthritis of the juvenile rabbit temporomandibular joint. J Dent Res. 1995 Dec;74(12):1870-9.

7: Kao RT, Curtis DA, Richards DW, Preble J. Increased interleukin-1 beta in the crevicular fluid of diseased implants. Int J Oral Maxillofac Implants. 1995 Nov-Dec;10(6):696-701.

8: Kapila S, Lee C,Richards DW. Characterization and identification of proteinases and proteinase inhibitors synthesized by temporomandibular joint disc cells. J Dent Res. 1995 Jun;74(6):1328-36.

9: Regezi JA, Macphail LA, Richards DW, Greenspan JS. A study of macrophages, macrophage-related cells, and endothelial adhesion molecules in recurrent aphthous ulcers in HIV-positive patients. J Dent Res. 1993 Dec;72(12):1549-53.

10: Richards D.W. and Rutherford, R.B. The effects of interleukin 1 on collagenolytic and prostaglandin-E secretion by human periodontal ligament and gingival fibroblasts. Arch Oral Biol 1988 33:237-243.

11 Richards D.W. and Rutherford, R.B. Regulation of procollagenase mRNA and protein in response to Interleukin 1. J Periodont Res 1990 25:222-229.

12 Gronowicz, G; Hadjimichael, J; Richards, D; Cerami, A; Rossomando, EF. Correlation between tumor necrosis factor-alpha (TNF-alpha)-induced cytoskeletal changes and human collagenase gene induction. J Periodont Res 1992 27(6):562-8.