It should be noted that the mechanisms of tumor lymphangiogenesis and lymphatic metastasis are exceptionally complex, and the exact role of SIRT1 protein in lymphangiogenesis and lymphatic metastasis remains to be further studied.
As mentioned in the explanation of the workflow, evaluation of construct validity of animal models of psychiatric diseases (including schizophrenia) is exceptionally difficult, as the exact, most likely multifactorial, ethiology is not known.
The massacre, and others like it in recent months, show how difficult devising an effective strategy to head off an attack can be — and the exceptionally high cost it can exact on those on the front lines.
The Wall Street Journal cited one source as saying the exact figure was "an exceptionally uninspiring number" with almost total "value destruction".
New York exceptionalism--exceptionally dangerous, exceptionally grouchy, exceptionally dirty--has been replaced by a well-scrubbed homogeneity.
Thus, in my neighborhood, every utterly special, exceptionally gifted child is strapped into the exact same Maclaren stroller as her peers.
Knowing the exact time at sea was exceptionally difficult but was crucial to navigators, who used it to calculate their precise longitude.
While many travelers gripe about being stuck at the airport for hours after delayed flights, a 28-year-old Syrian man is still waiting to leave a Turkish airport after an exceptionally long time: 369 days, to be exact.
Because all the ambiguity of our current knowledge has to be taken into account, the molecular dating approach cannot provide exact secure ages, except for exceptionally fossil-rich clades.
On the eastern side, firefighters had had the "exact opposite thing going on," with "exceptionally low" humidity, dry brush and fast-moving flames, Spelman said.
