Template:Ref-GunnDieckmann1927
From Embryology
Malformations of the Heart including Two Cases with Common Atrioventricular Canal and Septum Defects and One with Defect of the Atrial Septum (Cor Triloculare Biventriculosum) Francis D. Gunn, Johanna M. Dieckmann Am J Pathol. 1927 Nov; 3(6): 595–616.5. PMCID: PMC1931828