By exploiting the path diversity, CUA can reach CUD through the optimal patha CU A → CU B → CU D (when PU2 is not active); or the sub-optimal path CU A → CU C → CU D (when PU2 is active but PU3 is not), without the need of a new route discovery process.
While the road is not without hurdles, and much needs to be done to improve coordination and strengthen impact capital markets, the movement has taken root and is already bearing fruit.
But the situation is not without unexpected problems, beyond the need for more showers, toilets and winter shelters.
Wide distribution of the drugs in Africa is not without critics, given the attendant need for careful monitoring.
The approach is not without interest, but several questions need to be addressed.
Although the use of these markers is not without limitations (such as the need for complex and nonstandardized sample pretreatment methods in order to obtain concentrates before laboratory analysis and the uncertain validity for some of the assays, limited throughput development, elevated cost, low sensitivity, and results reflecting only short-term exposure evaluations).
Indeed Saudi Arabia is not without its challenges and much work needs to be done to address some of its glaring criticisms.
A well-known definition of needs, which is not without criticism [ 4], is 'what people could benefit from health services' [ 5]; this draws attention to the importance of measuring the outcome of a health intervention.
Finally, the stepwise regression method used in the patient cost data is not without problems (Campbell 2008), as such, results need to be interpreted with caution since some variables coded as dummies may be lost in the model fitting, changing the interpretation of other controlled variables; however, as stated above, the analysis was undertaken for descriptive and not confirmatory purposes.
Wickr is not without loopholes.
