Sangsuwan, Tharntip, Rungtip Darayon, and Silom Jamulitrat. “G-control Charts for Contamination Rates of Blood Cultures in a University Hospital”. Siriraj Medical Journal 73, no. 6 (May 27, 2021): 406–412. accessed September 17, 2026. https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/245688.