Perinatal care at the limit of viability between 22 and 26 completed weeks of gestation in Switzerland. Swiss Medical Weekly, [S. l.], v. 141, n. 4142, p. w13280, 2011. DOI: 10.4414/smw.2011.13280. Disponível em: https://smw.ch/index.php/smw/article/view/1362. Acesso em: 24 oct. 2025.