Comparative analysis of efficacy of prolonged anticoagulation therapy and conventional anticoagulation therapy for idiopathic venous thromboembolism 
HAN Jing, CHANG Yanhe, LIU Yunqiu, LIU Xiaoyu.
The Journal of Practical Medicine . 2023, (13): 1663 -1668 .  DOI: 10.3969/j.issn.1006⁃5725.2023.13.012