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![]() | Henderson, Thomas C. | The importance of unknows in Epidemiologic studies | 1. Epidemiologic study data often include omitted/unobtainable responses (unknowns). In most cases, unknowns are eliminated during data-reduction to facilitate analysis. We examined the effect that elimination of unknowns would have on mortality calculations using data on newborns admitted to a newb... | Unknowns; Mortality calculations | 1985 |