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International registry of congenital porto-systemic shunts: a multi centre, retrospective and prospective registry of neonates, children and adults with congenital porto-systemic shunts. Orphanet J Rare Dis 2022; 17: 284.","DOI":"10.1186\/s13023-022-02412-8"},{"key":"13","doi-asserted-by":"crossref","unstructured":"13) Mesquita RD, Sousa M, Vilaverde F, et al. Abernethy malformation: beware in cases of unexplained hepatic encephalopathy in adults - case report and review of the relevant literature. BJR Case Rep 2017; 4: 20170054.","DOI":"10.1259\/bjrcr.20170054"},{"key":"14","doi-asserted-by":"crossref","unstructured":"14) Honda S, Kawakita I, Okumura K, et al. Unusual rapid development of portopulmonary hypertension after shunt closure for congenital portosystemic shunt. J Paediatr Child Health 2024; 60: 606\u20139.","DOI":"10.1111\/jpc.16636"},{"key":"15","doi-asserted-by":"crossref","unstructured":"15) Kanazawa H, Nosaka S, Miyazaki O, et al. 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