517PA real-world study of osimertinib: ASTRIS 2nd DCO Korean subgroup analysis. (25th November 2018) - Lee, J-S; Cho, B C; Kim, D-W; Park, K; Kang, J H; Yoo, S S; Lee, S Y; Kim, C H; Jang, S H; Kim, Y C; Yoon, H-K; Kim, S-W