AMR IBRAHIM EL SAYED SHEHATA et al. MAGNESIUM SULPHATE VERSUS SILDENAFIL IN TREATMENT OF PERSISTENT PULMONARY HYPERTENSION IN NEWBORNS. Journal of Population Therapeutics and Clinical Pharmacology, [S. l.], v. 29, n. 03, p. 1709–1719, 2022. DOI: 10.53555/jptcp.v29i03.4677. Disponível em: https://www.jptcp.com/index.php/jptcp/article/view/4677. Acesso em: 20 sep. 2025.