@article{article9812e4e2,
title   = {Qualification of Xylella fastidiosa from citrus trees by real-time polymerase chain reaction assay},
author = {Oliveira, Antonio C. and Vallin, Marcelo A. and Semighini, Camile P. and Araújo, Welington Luiz de and Goldman, Gustavo Henrique and Machado, Marcos A.},
year = {2002},
journal   = {Phytopathology}
}