TY - JOUR T1 - Smoking cessation before initiation of chemotherapy in metastatic non-small cell lung cancer: influence on prognosis JO - Jornal Brasileiro de Pneumologia A1 - Linhas, Ana Rita Diegues A1 - Dias, Margarida Carmo Pinho A1 - Barroso, Ana Maria Paixão SN - 1806-3713 UL - 10.1590/S1806-37562017000000323 VL - 44 Y1 - 2018 PB - Brasil ER -