1General Principles of Clinical ReasoningWANG Zhengyang, XIANG YangFeature Articles of Clinical Reasoning97-1072Teaching methods for clinical reasoningWU Danning, CHEN Shi, BAI Xi, PAN HuiFeature Articles of Clinical Reasoning108-1113Thinking patterns of clinicopathological residency trainees during clinicopathological diagnosisWU Feng, ZHANG Huarong, LI Su, LUO Qingya, DANG Weiqi, YAO Xiaohong, YAN Xiaochu, BIAN XiuwuFeature Articles of Clinical Reasoning112-1154Clinical reasoning methods in dermatology AbstractTU PingFeature Articles of Clinical Reasoning116-1205Cultivation of pediatricians' clinical reasoning in combination with clinical casesWANG Yingshuo, ZHANG Zhimin, ZHANG YuanyuanFeature Articles of Clinical Reasoning121-1256Exploration of patterns of thinking for patient-centered clinical imaging diagnosisZHANG Jingfeng, ZHENG Jianjun, YAN Kun, LIU RiFeature Articles of Clinical Reasoning126-131,1467Reflections on post-graduate education of general practice amid COVID-19SHOU Juan, ZHU ShanzhuResearch and Practice on Teaching of COVID-19 Control132-135,1498Training of resident physicians in standardized training bases amid COVID-19Chinese Academy of Medical DoctorsResearch and Practice on Teaching of COVID-19 Control136-1389Residency training based on epidemic surveillanceLU Zhanghong, WANG Weixing, JIN Song, HE XiaoqinResearch and Practice on Teaching of COVID-19 Control139-14210Difference in mental health status of different types of residents during COVID-19 epidemicCHEN Yuning, CHEN Shaohua, SUN Jiaheng, HU Jianbo, SHEN YeResearch and Practice on Teaching of COVID-19 Control143-14611Management mode of standardized training of residents of TCM amid COVID-19 pandemicZHENG Yan, CAO YaleiResearch and Practice on Teaching of COVID-19 Control147-14912Mental health of TCM residents during standardized training and intervention mechanism amid COVID-19WANG Lan, YOU Yaodong, LUO WenpingResearch and Practice on Teaching of COVID-19 Control150-15313Game analysis of residents' complaints, assessment and quality of construction of standardized resident training basesYU Yuanning, LIU QilinTraining Practice154-161,16514Explore and practice on competency-based standardized residency training——Non-direct affiliated teaching hospital as an exampleLI Yan, LI Zhaoting, ZHANG Gangli, DUAN Zhaoxia, ZHOU YunTraining Practice162-16515Current factors influencing satisfaction levels of standardized training residentsCHEN Qian, CHENG Ping, XU Yan, ZHU Rong, WU TingtingTraining Practice166-17016Discussion and practice of clinical case discussion in standardized residency training of internal medicineMIN Lulin, XIE Kewei, NI Zhaohui, CHEN Hongru, ZHANG MinfangTeaching Research171-17417Experience of laparoscopic surgery skill training for pediatric surgical residents in standardized residency trainingSONG Zai, DONG Rui, ZHU Haitao, SHEN Jianqing, PAN Yi, SHEN ChunTeaching Research175-17718Applicability of job competency oriented evaluation in standardized training of surgical residentsTANG Jintian, WANG Boqing, DONG Xiaogang, ZHANG Jie, ZHANG Lifeng, TONG QingTeaching Research178-180,19219Hierarchical assessment of pediatric residency during standardized trainingLICen, LI Jianquan, WANG Yuchuan, HUANG Dong, GUO Guimei, CUI Yuxia, CHEN Rong, WANG Hong, MO LianqinTeaching Research181-18520Residency training in the U. S. from the perspective of first aid efficiencyMAO Min, WANG Li, PAN YinInternational Communication186-189 