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Backus, E.A.; Andrews, K.B.; Shugart, H.J.; Carl Greve L.; Labavitch, J.M. and Alhaddad, H. (2012) - Salivary enzymes are injected into xylem by the glassy-winged sharpshooter, a vector of Xylella fastidiosa. Journal of Insect Physiology, vol. 58; n. 7, p. 949-959.