1. Electrocardiographic studies in normal infants and children;Ziegler,1951
2. Electrocardiography in the diagnosis of congenital heart disease;Burch,1967
3. Electrocardiography in infants and children,1966
4. Respiration and circulation;Altman,1971
5. The unipolar precordial and extremity electrocardiogram in normal infants and children;Alimurung;Circulation,1951