Achalasia cardia: an uncommon cause of aspiration syndrome in infancy. NIGERIAN JOURNAL OF PAEDIATRICS, [S. l.], v. 50, n. 3, p. 151–155, 2024. Disponível em: https://www.njpaediatrics.com/index.php/njp/article/view/1158.. Acesso em: 23 nov. 2024.