Deng, Z W [Left axis deviation and left anterior hemiblock:analysis of 600 cases]. [electronic resource] - Zhonghua xin xue guan bing za zhi 1979 - 261-4 p. digital Publication Type: English Abstract; Journal Article ISSN: 0253-3758 Subjects--Topical Terms: AdultBundle-Branch Block--diagnosisElectrocardiographyFemaleHeart Diseases--diagnosisHumansMaleMiddle Aged