Mr. Karzai admitted that a security screening had failed, but the government's statement that the bomb was concealed around the attacker's groin suggests why it was not detected: an invasive search would have violated Afghanistan's traditional mores.
Eukaryotic hosts were used if suggested by the literature or previous experience, or in case E. coli screening had failed.
Rates of locally advanced and metastatic cancer were substantially lower in the study group, but screening has failed to achieve marked reductions in rates of small node-positive cancers.
But many genetic screens have failed to turn up genes that are responsible for sexual orientation.
On the other hand, all company stock prices in our screen have failed to beat their industry's aggregate stock performance over the same period, suggesting they may have unduly suffered from investor distaste for big-caps.
Preacher is definitely a challenging project, and Rogen noted that several previous attempts to bring it to the screen have failed - largely, he suggested, because those earlier projects were movies.
When he returned, he found the rest room screen had failed to transmit Caruana's move made 15 minutes earlier.
One reason that so many screening units have failed to live up to the CPA's requirements is because of a shortage of cytology screeners, the low-paid workers who read the slides.
"The high national prevalence of chlamydial infection suggests that current screening strategies have failed to control this easily curable sexually transmitted infection," says a study in The Journal of the American Medical Association.
"That's why a lot of the screening tests have failed — even though they're pretty good, they're not quite good enough".
