Ni, Z Y [ECG study of right ventricle hypertrophy in compensatory chronic pulmonary heart disease]. [electronic resource] - Zhonghua nei ke za zhi Nov 1985 - 659-61, 701 p. digital Publication Type: English Abstract; Journal Article ISSN: 0578-1426 Subjects--Topical Terms: Cardiomegaly--diagnosisElectrocardiographyHeart--physiopathologyHumansPulmonary Heart Disease--complications