Epidermal growth factor receptor (EGFR) mutations are the main oncogenic driver mutation in adenocarcinoma in never-smokers - findings from the emlan study - Liam, Chong Kin; Alex, Leow Hwong Ruey; How, Soon Hin; Pang, YK; Chua, Keong Tiong; Lai, NL; Kuan, Yeh Chunn; Jayalakshimi, P; Pathmanathan, Rajadurai (2012)