SUN Meihua, LIU Shan, ZHAO Jie, JIN Peng, WANG Lijing, LIU Chunling. Analysis of indwelling time of intravenous indwelling needle in patients with severe tetanusJ. Journal of Clinical Medicine in Practice, 2014, (4): 74-75,91. DOI: 10.7619/jcmp.201404026