Others, such as phenytoin, were discovered as a result of persistent testing of a series of drugs.
"We are a nation at war," it says, calling to "fully fund" a missile defense system that's already plagued with persistent test failures, laden with cost overruns, and which most experts don't think is needed or can ever wok.
Even where enrollment guidelines give schools discretion to diversify their student bodies, regimes that hold schools accountable for standardized test scores make some principals reluctant to admit racially and economically diverse students to their schools due to persistent test score gaps between white and Asian students on the one hand and Black and Latino students on the other.
He was in hospital again in 2013 for a persistent infection, but tests then showed no new malignancy.
For PGE analysis, cows of both groups were sampled once during the first postpartum luteal phase (between days 9 and 13) and cows with a persistent CL were tested between days 29 and 33 after the first ovulation.
But the G.A.O. also found that poorly performing target missiles "have been a persistent problem" in some tests, and it criticized the agency for moving ahead with production on some of the systems despite testing delays.
In contrast, with the appropriate use of fecal wash-out, antimicrobial agents, and Lactobacillus rhamnosus GG, our patients appeared to maintain a persistent VRE negative status, tested by broth enrichment culture of fecal samples, despite the use of broad-spectrum antibiotics after the decolonization.> -wrap-foot> Note: VRE, vancomycin-resistant enterococci.
For each paradigm we administered six learning blocks, each with CS and UCS in trials 1 9, UCS only in trial 10 (to control for random blinks) and CS only in trial 11 (to test for a persistent learning effect).
This study highlights why vaccine-induced positivity for the HBsAg test is a persistent problem that is difficult to eliminate.
The Baggies are likely to be without keeper Ben Foster, who faces tests on a persistent groin problem.
