27. Kukhunthod D, Thongpaknam S, Chinbordee K, Phiancharoen S, Kupatawintu P, Thanaketpaisarn Y, Luangtrakool K, Nathalang O, Dhitavat V, Chandanayingyong D. External proficiency testing in HLA typing for kidney transplantation in Thailand from 2009 to 2020. J Hematol Transfus Med. 2021;31:243-51.