Further, the current study suggests that external variables that affect perceived ease of use and usefulness need to be considered as important factors in the process of designing, implementing, and operating digital library systems.
I would guess that a major opinion among Catholic followers is that the rule of enforced celibacy on priests has far outlived its usefulness and needs to be replaced with a policy of voluntary celibacy.
The design of bioprecursors, which represents a creative application of the active metabolite concept in the forward-looking way, seems a priori more adequate for CNS delivery, but its clinical usefulness still needs to be proven.
The usefulness of these visits needs to be established first since growth monitoring has been used in several intervention programmes with mixed results [ 11, 14].
Since it is based on the theory for gas flow in a micro/nano-tube and an approximate way to determine the representative pore-throat radius from the intrinsic permeability, the usefulness of the approach needs to be verified before we apply it to permeability measurements.
Therefore, the usefulness of other regions needs to be investigated.
However, its expression was seen in one of five RO cases tested, and therefore the clinical diagnostic usefulness of this marker needs to be further validated by additional large-scale studies.
The applicability and usefulness of the score chart needs to be further tested in a clinical practice setting.
