1. Chronic cor pulmonale: Report of an expert committee;Committee of the World Health Organization;Circulation,1963
2. Cor pulmonale in children: Review and etiological classification;Morgan;Am. Heart J.,1967
3. Chronic cor pulmonale;Meek;Dis. Chest,1962
4. Clinical Vectorcardiography and electrocardiography;Massie,1960
5. Electrocardiogram in patients with cystic fibrosis and its relationship to functional status as evaluated by pulmonary function tests;Ng;Circulation,1963