Boonyarittipong, Payon. 2011. “Comparison of the Efficacy of Conventional Phototherapy and Double - surface Phototherapy for Neonatal Hyperbilirubinemia”. Vajira Medical Journal : Journal of Urban Medicine 46 (3):187-94. https://he02.tci-thaijo.org/index.php/VMED/article/view/188.