Lenègre, J. and Maurice, P.: De quelques resultats obtenus par la derivation directe, intracavitaire, des courants electriques de l'oreillette et du ventricle droits. Arch. Mal. Coeur, 38: 298, 1945.
2.
Hecht, H.H.: Potential variations of the auricular and right ventricular cavities in man . Amer. Heart J., 32: 39, 1946.
3.
Battro, A. and Bidoggia, H.: Endocardiac electrocardiogram obtained by heart catheterization in man. Amer. Heart J., 33: 604, 1947.
4.
Sodi-Pallares, D., Vizcaino, M., Soberon, J. and Cabrera, E.: Comparative study of the intracavity potential in man and in dog. Amer. Heart J., 33: 819, 1947.
5.
Levine, H.D. , Hellems, H.K., Wittenborg, M.H. and Dexter, L.: Studies in the intracardiac electrocardiography in man. I. The potential variations in the right atrium. Amer. Heart J., 37: 46, 1949.
6.
Kossmann, C.E. , Berger, A.R., Rader, B., Brumlik, J.Briller, S.A. and Donnelly, J.H.: Intracardiac and intravascular potentials resulting from electrical activity in the normal human heart. Circulation, 2: 10, 1950.
7.
Steinberg, M.F. , Kroop, I.G. and Grishman, A.: Value of intracardiac and esophageal leads in analysis of complex arrhythmias. J. Mt. Sinai Hosp., 18: 337, 1952.
8.
Emslie-Smith, D.: The intracardiac electrocardiogram as an aid in cardiac catheterization. Brit. Heart J., 17: 219, 1955.
9.
Kimball, J.T. and Killip, T.: A simple bedside method for transvenous intracardiac pacing. Amer. Heart J., 70: 35, 1965.
10.
Macruz, R., Perloff, J.K. and Case, R.B.: A method for the electrocardiographic recognition of atrial enlargement. Circulation, 17: 882, 1958.
11.
Morris, J.J. , Jr., Estes, E.H., Jr., Whalen, R.E., Thompson, H.K., Jr. and McIntosh , H.D.: P-wave analysis in vascular heart disease. Circulation, 29: 242, 1964.
12.
Hecht, H.H. and Woodbury, J.A.: Excitation of human auricular muscle and the significance of the intrinsicoid deflection of the auricular electrocardiogram . Circulation. 2: 37, 1950.
13.
Sodi-Pallares, D. and Calder, R.M.: New Bases of Electrocardiography. The C.V. Mosby Company. St. Louis. 1956.
14.
Watson, H.: Intrinsicoid atrial P wave deflections in unipolar intracardiac electrocardiograms . Amer. Heart J., 68: 3, 1964.
15.
Caceres. C.A. , Kelser, G.A. and Calathyud . J.: High frequency atrial electrical activity. J. Appl. Physiol., 16: 300, 1961.