Vongsheree S, Aromsuk S, Chainarongkuekul P, Kejonnit A. Lower frequency of certain nonconformities against ISO/IEC 17025 after many year accreditation. J Assoc Med Sci [internet]. 2018 Jan. 15 [cited 2026 Sep. 28];51(1):19-25. available from: https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/91330