WANG, Chunying; SHI, Yunlong; JI, Jianwei. Application of block matching method-based Echocardiography combined with serum NT-PROBNP level detection in the early prediction of PDA in premature infants. Pakistan Journal of Medical Sciences, [S. l.], v. 37, n. 6-WIT, 2021. DOI: 10.12669/pjms.37.6-WIT.4864. Disponível em: https://pjms.org.pk/index.php/pjms/article/view/4864. Acesso em: 21 apr. 2026.