Sentence examples similar to letter tests from inspiring English sources

That letter tested negative for anthrax.

That letter tested positive Tuesday for poisonous ricin.

A letter testing positive for the new synthetic drug black mamba has been intercepted.

Then they were asked to do one of three things for 30 minutes -- sit quietly, run on a treadmill or lift weights -- before performing the letter test again.

Feature 2: assess using picture recognition or random letter test.

With a visual acuity of 20/40 or worse on Snellen letter testing, the sensitivity of Wright figures© and Allen cards in diagnosing amblyopic eyes was 87.0 and 56.5%, respectively (P = 0.016).

Binocular vision acuity at distance of 5 m with a Snellen letter test chart.

aWhen the first letter tested positive for spores of Bacillus anthracis was received.

*Measured at distance of 3 m with Snellen letter test chart (decimal scale).

Two categories of covariables were tested: variables collected at baseline (living at home alone, body mass index (BMI), visual acuity measured with Snellen letter test chart on a decimal scale, and perceived health) and variables that vary with time (hospitalised at least once during last year, temporarily bed-confined during last year and number of falls during last year).

Replaces CAPTCHAs, those annoying, jumbled-letter tests design to stop online "bots," with advertising-based entry forms.