title: [Persistent left venous valve of the inferior vena cava: a very rare cardiac anomaly in childhood].
authors.forename: Carlo
authors.initials: C
authors.lastname: Ratti
authors.forename: Lorenzo
authors.initials: L
authors.lastname: Bonetti
authors.forename: Laura
authors.initials: L
authors.lastname: Grassi
authors.forename: Stefano
authors.initials: S
authors.lastname: Cappelli
mesh_terms: D002648:Child; D003937:Diagnosis, Differential; D004452:Echocardiography; D006325:Heart Atria / Q000002:abnormalities* / Q000000981:diagnostic imaging*; D006330:Heart Defects, Congenital / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D035583:Rare Diseases; D014682:Vena Cava, Inferior / Q000002:abnormalities* / Q000000981:diagnostic imaging*; D055422:Venous Valves / Q000002:abnormalities* / Q000000981:diagnostic imaging*