The normal electrocardiogram I Analysis of the extremity derivations from 100 normal persons whose ages ranged from 30 to 50 years

[1] Bazett HC, 1920, HEART-J STUD CIRC, V7, P353

[2] BENEDETTI P, 1938, ARCH PATOL CLIN MED, V17, P491

[3] BENEDETTI P, 1938, ZENTRALBL GES INN ME, V97, P128

[4] Chamberlain EN, 1939, BRIT HEART J, V1, P105

[5] Edeiken J, 1934, AM J MED SCI, V188, P842

[6] EINTHOVEN W, 1908, ARCH GES PHYSL, V122, P517

[7] Fridericia LS., 2009, ACTA MED SCAND, V53, P469, DOI [DOI 10.1111/J.0954-6820.1920.TB18266.X, 10.1111/j.0954-6820.1920.tb18266.x]

[8] GROEDEL FM, 1934, EXTREMITATEN THORAX

[9] GROSS K, 1934, Z KREISLAUFFORSCH, V26, P545

[10] HADORN W, 1935, Z KREISLAUFFORSCH, V27, P545

[1] Bazett HC, 1920, HEART-J STUD CIRC, V7, P353

[2] BENEDETTI P, 1938, ARCH PATOL CLIN MED, V17, P491

[3] BENEDETTI P, 1938, ZENTRALBL GES INN ME, V97, P128

[4] Chamberlain EN, 1939, BRIT HEART J, V1, P105

[5] Edeiken J, 1934, AM J MED SCI, V188, P842

[6] EINTHOVEN W, 1908, ARCH GES PHYSL, V122, P517

[7] Fridericia LS., 2009, ACTA MED SCAND, V53, P469, DOI [DOI 10.1111/J.0954-6820.1920.TB18266.X, 10.1111/j.0954-6820.1920.tb18266.x]

[8] GROEDEL FM, 1934, EXTREMITATEN THORAX

[9] GROSS K, 1934, Z KREISLAUFFORSCH, V26, P545

[10] HADORN W, 1935, Z KREISLAUFFORSCH, V27, P545