Original Article
Impact of ramucirumab plus erlotinib on circulating cell-free DNA from patients with untreated metastatic non-small cell lung cancer with EGFR-activating mutations (RELAY phase 3 randomized study)
Kazuto Nishio, Kazuko Sakai, Makoto Nishio, Takashi Seto, Carla Visseren-Grul, Michelle Carlsen, Tomoko Matsui, Sotaro Enatsu, Kazuhiko Nakagawa