慢性阻塞性肺疾病住院患者发病因素及合并症调查Xiang-xin LI,Yong-xiang ZHANG,Chun-xiao YU,Qing-rong NIE,Zhen-yang XU,Chun-hong WANG,Xiu-hong JIN,Wan-ku GUO,Jian-hua LIU,Xi-sheng CHEN,Quan-ying HESoft Science of Health(2017)Cited 6|Views2No scoreAI Read ScienceMust-Reading TreeExampleGenerate MRT to find the research sequence of this paperChat PaperSummary is being generated by the instructions you defined