Studies of congenital heart disease: technique of venous catheterization as a diagnostic procedure.
D006328:Cardiac Catheterization / Q000379:methods*; D002319:Cardiovascular System; D002404:Catheterization; D006321:Heart; D006330:Heart Defects, Congenital; D006331:Heart Diseases / Q000175:diagnosis*; D006334:Heart Function Tests; D006801:Humans
CARDIOVASCULAR SYSTEM/function tests; HEART/diseases--diagnosis