Differential accumulation of mRNAs encoding extracellular and intracellular PR proteins in tomato induced by virulent and avirulent races of Cladosporium fulvum. - van Kan,J..A..; Joosten,M..H..; Wagemakers,C..A..; van den Berg-Velthuis,G..C..; de Wit,P..J.. (Plant Molecular Biology, 1992)