Ryan, C. A., Bishop, P., Pearce, G., Darvill, A. G., McNeil, M., & Albersheim, P. (1981). A Sycamore Cell Wall Polysaccharide and a Chemically Related Tomato Leaf Polysaccharide Possess Similar Proteinase Inhibitor-Inducing Activities.

Ryan, Clarence A., Paul Bishop, Gregory Pearce, Alan G. Darvill, Michael McNeil, and Peter Albersheim. A Sycamore Cell Wall Polysaccharide and a Chemically Related Tomato Leaf Polysaccharide Possess Similar Proteinase Inhibitor-Inducing Activities. 1981.

Ryan, Clarence A., et al. A Sycamore Cell Wall Polysaccharide and a Chemically Related Tomato Leaf Polysaccharide Possess Similar Proteinase Inhibitor-Inducing Activities. 1981.