A lot remains to be filled out, including the precise roles of A.I.Q. and C.A., and the nature of the relationship between the two outfits.
The precise roles played by tense, grammatical aspect, and mood in the semantics of the various affixes remain an object of study, especially where Manchu-Tungus is concerned.
Further studies are needed to define the precise roles in this process.
Obviously, the precise roles of the SDF-1/CXCR4 axis in human skin appear to be complex.
However, there still remain controversies in this field, such as the precise roles of bulk and surface oxygen vacancies (VO).
Several studies have linked cilia and Hedgehog signaling, but the precise roles of ciliary proteins in signal transduction remain enigmatic.
Although the precise roles of phospholipid-based signaling in plants are still underexplored, some recent evidences have revealed their possible involvement in salt stress tolerance (Zhu 2002).
The precise roles and activities of several of the remaining subfamilies are yet to be explored.
The precise roles of these ferritins vary depending on the organism and cell type [25].
Further work is required to dissect the precise roles of infection and inflammation in preterm labour.
Discussion surrounds the precise roles of antibody and cellular immunity in the pathogenesis of severe dengue.
