SUSAN, Ujuanbi Amenawon; CHIEMERIE, Onyeka Adaeze. Prevalence and pattern of congenital heart disease among children with Down syndrome seen in a Federal Medical Centre in the Niger Delta Region, Nigeria. Journal of Cardiology and Cardiovascular Medicine, [S. l.], v. 7, n. 1, p. 030–035, 2022. DOI: 10.29328/journal.jccm.1001129. Disponível em: https://www.cardiologymedjournal.com/index.php/jccm/article/view/jccm-aid1129. Acesso em: 5 dec. 2025.