Preedawan Boonmark. (2000) Nuchal arch and holder : an invention for better securing endotracheal tubes in neonates. Mahidol University,:ม.ป.ท.Preedawan Boonmark. 2000. Nuchal arch and holder : an invention for better securing endotracheal tubes in neonates. ม.ป.ท.:Mahidol University,;Preedawan Boonmark. Nuchal arch and holder : an invention for better securing endotracheal tubes in neonates. ม.ป.ท.:Mahidol University, 2000. Print.