title: Echocardiography in pulmonary venous obstruction.
mesh_terms: D006328:Cardiac Catheterization; D004452:Echocardiography / Q000379:methods*; D006330:Heart Defects, Congenital / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D011660:Pulmonary Heart Disease / Q000175:diagnosis* / Q000209:etiology; D011667:Pulmonary Veins / Q000002:abnormalities*