Carvalho, B.J. and Aiello, V.D. 2020. Factors associated with increased atrial septum thickness in infants with Hypoplastic Left Heart Syndrome (HLHS): implication for percutaneous septostomy. Revista de Medicina. 99, 1 (Feb. 2020), 80–83. DOI:https://doi.org/10.11606/issn.1679-9836.v99i1p80-83.