Development and validation of a real-time RT-PCR test for screening pepper and tomato seed lots for the presence of pospiviroids. - Botermans M; Roenhorst JW; Hooftman M; Verhoeven JTJ; Metz E; van Veen EJ; Geraats BPJ; Kemper M; Beugelsdijk DCM; Koenraadt H; Jodlowska A; Westenberg M (PloS one, 2020)