1.
Panutte W, Sae-ung N, Aniwat-angkoorn Y. The preparation of standard samples for interlaboratory proficiency testing of hCG pregnancy test kit in medical network. Arch AHS [internet]. 2018 Dec. 29 [cited 2026 Sep. 28];30(3):289-9. available from: https://he01.tci-thaijo.org/index.php/ams/article/view/163943