Weak expression of antigen caused by the variation in the regulatory region of ABO allele and cause analysis
GU Yuwei, WANG Chengyun, GU Ping, PAN Qiuhui, WANG Jing, CHEN Guangjie
Laboratory Medicine . 2021, (6): 637 -641 .  DOI: 10.3969/j.issn.1673-8640.2021.06.013