Mora J, Punthmatharith B, Wattanasit P. Effect of Positioning on Gastric Residual Volume in Preterm Infants. JRN-MHS [internet]. 2017 Dec. 29 [cited 2026 Sep. 19];37(4):35-46. available from: https://he02.tci-thaijo.org/index.php/nur-psu/article/view/107742