Srilar, Aungsumalin, Wicharn Choktanasiri, Nathpong Israngura Na Ayudhya, and Saweak Weerakiet. “The Retention of Accuracy of Visual Estimation of Blood Loss by Qualified Nurses at 1 and 3 Months following Education Program”. Thai Journal of Obstetrics and Gynaecology 17, no. 3 (May 23, 2012): 163–168. accessed September 11, 2026. https://he02.tci-thaijo.org/index.php/tjog/article/view/1620.