Kuelling, B. “Pulse Oximetry Screening for Congenital Heart Defects in Switzerland: Most But Not All Maternity Units Screen Their Neonates”. Swiss Medical Weekly 139, no. 4748 (November 28, 2009): 699–704. Accessed April 16, 2024. https://smw.ch/index.php/smw/article/view/1049.