Long noncoding intronic RNAs are differentially expressed in primary and metastatic pancreatic cancer - Tahira, Ana Carolina; Kubrusly, Marcia Saldanha; Faria, Michele F; Dazzani, Bianca; Fonseca, Rogério S; Maracaja-Coutinho, Vinicius Ramos Henriques; Verjovski-Almeida, Sergio; Machado, Marcel Cerqueira César; Reis, Eduardo Moraes (Molecular Cancer, 2011)