Abstinence and retention outcomes in a smoking cessation program among individuals with co-morbid substance use and mental disorders - Lima, Danielle Ruiz; Carvalho, Carlos Felipe Cavalcanti; Guimaraes-Pereira, Bruna Beatriz Sales; Loreto, Aline Rodrigues; Frallonardo, Fernanda Piotto; Ismael, Flavia; Andrade, Arthur Guerra de; Castaldelli-Maia, Joao Mauricio (Journal of psychiatric research, 2020)