1. Grahame Smith DG. Digoxin therapy textbooks, theory and practice. BrJ Clin Pharmacol 1976; 3.639-48. reported data (from table II) for the purpose of making some supplementary statistical tests, we could not discern how the reported pregnancies to be exposed and recalled more accurately. This would have resulted in a concentration of the pregnancies of non-exposed sterilising staff;Aronson, J.K.
2. An improved method of digoxin therapy;Jelliffe, R.W.;Ann Int Med,1968