[Blalock-Taussig shunt operation for the infants under three months of age diagnosed with two-dimensional echocardiography].
D000367:Age Factors; D004452:Echocardiography; D006330:Heart Defects, Congenital / Q000175:diagnosis / Q000601:surgery*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008722:Methods; D014054:Tomography