The problem, however, is that over time, such measures are less able to stem the flows, and loopholes are often found.
It's possible that future technological shifts may make race less relevant to stem cell treatment.
He was referring to a period in the mid-to-late 2000s when conservatives in the US government flirted with policies that would have made the US less friendly to stem cell research.
The failure to act leads to non-inclusion, but also means that non-inclusion is less likely to stem from any meaningful consideration of the pros and cons.
Moreover, according to the Danish Colorectal Cancer Group database, the stage distribution among CRC patients has not changed substantially between 2001 and 2011. 2 Therefore, improvements in survival are less likely to stem from diagnosis at earlier stages over time.
Some other factors, such as infection and oxidative stress, however, will not be discussed either because they are less related to stem cell therapy or because seldom any publication is available to address them.
And her willingness to sacrifice the life of her brother Claudio (Christian Casper) to preserve her virginity appears to stem less from righteousness than from youthful, unthinking fear.
There was a stamp of impersonality to this, although it seemed to stem less from froideur than the self-dissociation of a smart teenager who has long imagined himself invisible and is disappointed to find himself observed.
Their political choices sometimes seem to stem less from ideological conviction than from a readiness, however unenthusiastic, to "let the other lot have a go" when times are tough.
There, at the Fort Hayes Public School, the Unlikely Trio -- unlikely indeed, consisting of a flutist, an oboist and a harpist from the orchestra -- performed, and a certain lack of sympathy on the part of the audience seemed to stem less from differences in culture than from disparity in age.
