@article{novaes_alcântara_hessel_2026,  title={Analysis of portal vein thrombosis prevalence and risk factors in neonates following umbilical venous catheterization: a systematic review and meta-analysis},  volume={102},  ISSN={0021-7557},  url={https://doi.org/10.1016/j.jped.2026.101559},  DOI={10.1016/j.jped.2026.101559},  number={4},  journal={Jornal de Pediatria},  publisher={Sociedade Brasileira de Pediatria},  author={Novaes, Roberta Martinez and Alcântara, Roberta Vacari de and Hessel, Gabriel},  year={2026},  pages={101559} }