A Single-Blind Randomized Controlled Trial Comparing the Efficacy of Two Doses of Oral Ibuprofen with Intravenous Indomethacin in Terms of Ductus Arteriosus Closure among Premature Infants with Patent Ductus Arteriosus: A Phase 2A Clinical Trial. Acta Med Philipp [Internet]. 2013 Sep. 23 [cited 2025 Apr. 18];46(4). Available from: https://actamedicaphilippina.upm.edu.ph/index.php/acta/article/view/2023