1. Walls, A. F. (2000) The roles of neutral proteases in asthma and rhinitis. In Asthma and Rhinitis (Busse, W. W. and Holgate, S. T., eds), Blackwell, Boston, pp. 968–998.
2. Beil, W. J., Schulz, M., McEuen, A. R., Buckley, M. G., and Walls, A. F. (1997) Number, fixation properties, dye-binding and protease expression of duodenal mast cells: comparisons between healthy subjects and patients with gastritis or Crohn’s disease. Histochem. J. 29, 759–773.
3. Beil, W. J., McEuen, A. R., Schulz, M., et al. (2003) Selective alterations in mast cell subsets and eosinophil infiltration in two complementary types of intestinal inflammation: ascariasis and Crohn’s disease. Pathobiology 70, 303–313.
4. Walls, A. F. (2000) Structure and function of human mast cell tryptase. In Mast Cells and Basophils (Marone, G., Lichtenstein, L. M., and Galli, S. J., eds), Academic Press, New York, pp. 291–309.
5. Walls, A. F. (2001) Tryptase inhibitors. In Therapeutic Immunology (Austen, K. F., Burakoff, S. J., Rosen, F. S., and Strom, T. B., eds), 2nd edition, Blackwell, Boston, pp. 150–158.