Smith, T.W. and Haber, E.: Digoxin intoxication: The relation of clinical presentation to serum digoxin concentration. J. Clin. Invest49: 2377, 1970 .
2.
Wotman, S., Bigger, J.T. Jr., Mandel, I.D. and Bartelstone, H.J. : Salivary electrolytes in the detection of digitalis toxicity. New Engl J Med285: 871, 1971
3.
Smith, T.W., Butler, V.P. Jr. and Haber, E.: Determination of therapeutic and toxic serum digoxin concentrations by radioimmuno assay. N. Engl J Med281: 1212, 1968.
4.
Bartelstone, H.J., Kahn, N. and Mandel, I.D.: Salivary potassium concentration as an indicator of digitalis toxicity. IADR Program and Abstracts , 1969, p. 169.