P. Chatchawal, M. Wongwattanakul, C. Thubthimngam, C. Yotsakullert, and P. Jearanaikoon, “Establishment of reference intervals in biochemistry parameters from check-up records: AMS Medical Laboratory, Khon Kaen”, Asia Pac J Sci Technol, vol. 29, no. 01, pp. APST–29, Dec. 2023.