Development and validation of a real-time RT-PCR assay for generic detection of pospiviroids - Botermans, M.; van de Vossenberg, B.T.L.H.; Verhoeven, J.Th.J.; Roenhorst, J.W.; Hooftman, M.; Dekter, R.; Meekes, E.T.M. (Journal of Virological Methods, 2013)