| grateful med | A microcomputer-based software package providing a user-friendly interface to the medlars system of the national library of medicine. (12 Dec 1998) |
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| confidence interval | A range of values for a variable of interest, constructed so that this range has a specified probability of including the true value of the variable. (05 Mar 2000) |
| confidence intervals | A range of values for a variable of interest, e.g., a rate, constructed so that this range has a specified probability of including the true value of the variable. (12 Dec 1998) |