Interactions among factors occurred (P<0.001), which made it necessary to do further comparisons within factor levels.
It's also possible for the prosthesis to break, making it necessary to do a so-called revision procedure to fix it.
Past experience demonstrates that it is possible to reform these institutions, and the imperative of harnessing innovation for sustainable development makes it necessary to do so.
HIV-infected individuals of African descent seem to have reduced risk of abacavir hypersensitivity [ 12, 13], and the wide variation in reported adverse event incidence with abacavir use makes it necessary to do a systematic review, especially in children as there is a gap in the evidence-base.
We think that, especially in young patients, severe disc lesions secondary to the wide vertebral displacement (Figure 5), make it necessary to perform circumferential fusion as we did it in patients 2 and 3. Tri-dimensional reformattings (a and b) allow to visualize sagittal displacement and associated bone lesions.
Nevertheless, experience has already shown that practical cooperation does make it necessary to debate the big strategic issues with each other, such as the future of the world trade system, the issue of protectionism, how to deal with investments from state funds, the issue of food and energy prices and that of the potential need to regulate financial services.
In some cases, it was possible to relax the description of the landmark to make it applicable across a larger range of taxa; for example, 'the ventral extent of the frontal-parietal suture' does not make it necessary to specify whether this point on the skull is contacting the alisphenoid or squamosal bone.
The standards are not meant to fix broken schools, and they certainly do not make it "necessary" to administer more tests.
The real problem, however, is that departments like the DCEO and the favors they grant paper over the fiscal and regulatory problems that make it necessary to bribe businesses so they don't leave.
According to the legislation in Spain, the characteristics (observational methodology and retrospective analysis) of this study do not make it necessary to obtain authorisation from the hospital Ethics Committee [ 18].
