A basis for observer variation in electrocardiographic interpretation.

[1]  AMPLIFICATION OF ACTION CURRENTS WITH THE ELECTRON TUBE IN RECORDING WITH THE STRING GALVANOMETER , 1920 .

[2]  A new portable electrocardiograph , 1925 .

[3]  W. Dock.  The distortion of the electrocardiogram by capacitance , 1928 .

[4]  A comparison of records taken with the einthoven string galvanometer and the amplifier-type electrocardiograph , 1929 .

[5]  S. H. Caldwell,et al.  AN IMPROVED FORM OF ELECTROCARDIOGRAPH , 1932 .

[6]  RESEARCH IN ELECTROCARDIOGRAPHY , 1933 .

[7]  S. L. Barron,et al.  Development of the Electrocardiograph in Great Britain , 1950 .

[8]  Electrocardiography: modern trends in instrumentation and visual and direct recording electrocardiography. , 1950, Annals of internal medicine.

[9]  A. Kerwin,et al.  The Effect of the Frequency Response of Electrocardiographs on the Form of Electrocardiograms and Vectorcardiograms , 1953, Circulation.

[10]  L. G. Davies,et al.  OBSERVER VARIATION IN REPORTS ON ELECTROCARDIOGRAMS , 1958, British heart journal.

[11]  Formation of the "P‐R Segment" , 1959, Circulation.

[12]  G. Kelser,et al.  Duration of the normal P wave. , 1959, The American journal of cardiology.

[13]  R. Acheson.  Observer Error and Variation in the Interpretation of Electrocardiograms in an Epidemiological Study of Coronary Heart Disease , 1960, British journal of preventive & social medicine.

[14]  D. Geselowitz,et al.  Characteristics of the Frequency Spectrum in the Normal Electrocardiogram and in Subjects Following Myocardial Infarction , 1960, Circulation research.

[15]  A. C. Young,et al.  Frequency Analysis of the Electrocardiogram , 1960, Circulation research.

[16]  Diagnostic problems resulting from improper electrocardiographic technique. , 1961, JAMA.

[17]  Medicine's Role in Mental Health Promotion , 1961 .

[18]  Observer interpretation of electrocardiograms, Suggestions for objective interpretations. , 1961, JAMA.