1. Left axis deviation;Banta, H.D.; Greenfield, J.C.; Estes, E.H.;Amer. J. Cardiol,1964
2. The precordial electrocardiogram in incomplete right bundle branch block;Barker, J.M.; Valencia, F.;Amer. Heart_J,1949
3. Electrocardiographic diagnosis of ventricular hypertrophy in the presence of right bundle-branch block;Booth, R.W.; Chou, T.C.; Scott, R.C.;Circulation,1958
4. The electrocardiographic diagnosis of pulmonary heart disease;Burch, G.E.; DePasquale, N.P.;Amer. J. Cardiol,1963
5. Chronic obstructive lung disease I. Clinical and physiological findings in 175 patients and their relationship to age and sex;Burrows, B.; Niden, A.H.; Barclay, W.R.; Kasik, J.E.;Amer. Rev. resp. Dis; Clinical types of chronic obstructive lung disease in London and in Chicago. A study of 100 patients,1965