title: Concordance and discordance of congenital heart disease in 20 families.
mesh_terms: D000293:Adolescent; D001017:Aortic Coarctation / Q000235:genetics; D001024:Aortic Valve Stenosis / Q000235:genetics; D002648:Child; D002675:Child, Preschool; D000013:Congenital Abnormalities / Q000235:genetics; D003241:Consanguinity; D004200:Diseases in Twins / Q000151:congenital; D005260:Female; D006330:Heart Defects, Congenital / Q000235:genetics*; D006801:Humans; D008297:Male; D010375:Pedigree; D013771:Tetralogy of Fallot / Q000235:genetics; D014188:Transposition of Great Vessels / Q000235:genetics