Phase II randomized trial of pemetrexed or sequentially-administered pemetrexed/gemcitabine for untreated advanced non-small cell lung cancer (NSCLC) in elderly or PS2 patients
ANNALS OF ONCOLOGY（2005）
AI 理解论文
溯源树
样例
生成溯源树，研究论文发展脉络
Chat Paper
正在生成论文摘要