Lovisolo, Silvana Maria, et al. “An Inferior Sinus Venosus Interatrial Communication Associated With a Secundum Atrial Septal Defect, Clinically Presenting in an Adult Patient: Autopsy Report”. Autopsy and Case Reports, vol. 1, no. 4, Dec. 2011, pp. 21-27, https://doi.org/10.4322/acr.%y.26072.