1. U. Lindahl, L. Thunberg, G. Bäckstrom, J. Riesenfeld, K. Nordling, and I. Björk, Extension and structural variability of the antithrombin-binding sequence in heparin, J. Biol. Chem. 259:12368 (1984).
2. A. Yayon, M. Klagsbrun, J.D. Esko, P. Leder, and D.M. Ornitz, Cell surface, heparin-like molecules are required for binding of basic fibroblast growth factor to its high affinity receptor, Cell 64:841 (1991).
3. A. Rapraeger, A. Krufka, B.B. Olwin, Requirement of heparan sulfate for bFGF-mediated fibroblast growth and myoblast differentiation, Science 252:1705 (1991).
4. I. Thesleff, M. Jalkanen, S. Vainio, and M. Bernfield, Cell surface proteoglycan expression correlates with epithelial-mesenchymal interaction during tooth morphogenesis, Dev. Biol. 129:565 (1988).
5. S. Vainio, M. Jalkanen, and I. Thesleff, Syndecan and tenascin expression is induced by epithelial-mesenchymal interactions in embryonic tooth mesenchyme, J. Cell Biol. 108:1945 (1989).