Oc, Mehmet, Bora Farsak, Bahar Oc, Serkan Yildirim, and Murat Simsek. “Extremely Low Birth Weight Infants With Patent Ductus Arteriosus: Searching for the Least Invasiveness”. The Heart Surgery Forum 15, no. 6 (December 21, 2012): E302-E304. Accessed October 12, 2024. https://journal.hsforum.com/index.php/HSF/article/view/315.