Six sigma for evaluating the performance of blood cell analysis internal quality control inter-laboratory comparison among 17 laboratories from Grade 3 Class A hospitals in Hebei
WANG Huiru, LI Guixia, HUANG Jing, WU Hao, DI Yang
Laboratory Medicine . 2018, (6): 563 -566 .  DOI: 10.3969/j.issn.1673-8640.2018.06.020