Amelia, P., William Chandra Wijaya and Pandaibesi, R. (2025) “The Relationship between the Therapy Cycle and the Success of Patent Ductus Arteriosus Closure Treatment in Premature Babies”, Qanun Medika - Medical Journal Faculty of Medicine Muhammadiyah Surabaya, 9(02). doi: 10.30651/jqm.v9i02.25785.