title: Persistent valve of sinus venosus--a case report.
mesh_terms: D000293:Adolescent; D006325:Heart Atria / Q000473:pathology; D006330:Heart Defects, Congenital / Q000473:pathology*; D006801:Humans; D008297:Male; D014682:Vena Cava, Inferior / Q000473:pathology