Determination of dimethyltryptamine and beta-carbolines (ayahuasca alkaloids) in plasma samples by LC-MS/MS - Oliveira, Carolina Dizioli Rodrigues de; Okai, Guilherme Gonçalves; Costa, José Luiz da; Almeida, Rafael Menck de; Oliveira-Silva, Diogo; Yonamine, Maurício (Bioanalysis, 2012)