医疗设备售后服务调查技术与统计方法的讨论

汪黎君，李斌，郑蕴欣，何德华

Discussions on Investigative Techniques and Statistical Methods of Medical Equipment After-Sales Service

WANG Li-jun, LI Bin, ZHENG Yun-xin, HE De-hua

中国医疗设备 . 2014, (7): 105 -106 . DOI: 10.3969/j.issn.1674-1633.2014.07.038