If you use a character variable with an operator that requires numeric operands, such as the plus sign, SAS converts the character variable to numeric. If you use a comparison operator, such as the ...

One of the goals of this paper was to begin to address this question by studying the expression of channel genes in identified neurons in different animals. These studies are also of obvious ...

Prognostic Importance of the Percentage of ZAP-70–Positive Cells None of the standard variables were associated with ZAP-70 expression, including Binet's and Rai's clinical stages, the ...