Indeed, for some activities, such as heroin use, no useful numbers exist at all.The solution, according to Peter Killworth at the University of Southampton, in England, Russell Bernard at the University of Florida, Gainesville, and their colleagues, is simple.
It's a modest change — filibusters would still exist — but a useful one.
The chapter demonstrates a number of useful relationships exist between the geometry and the microclimate of urban street canyons.
Some philosophers, most notably Baier, deny that useful rules exist for when to trust so that one's trust will be justified.
As such, in a similar fashion to Lang et al., useful inferences exist relevant to the TBL movement within the supply chain.
Additional useful approaches exist, such as examining vulnerability and its relationship to inequality in the social and health sciences [see the social determinants of health approach (WHO 2008a)].
However, no useful markers exist that predict docetaxel's effects on ESCC.
The impact of diet may in part be mediated by insulin sensitivity and inflammation [ 6], for which useful biomarkers exist.
Nevertheless, the accumulated literature and the model's continued study attest that scientifically useful mappings exist between model and referent at several levels, from genetic to systemic phenomena [ 2, 4, 5].
Although recruitment of participants to this type of implementation study is challenging, if feasible at all, useful frameworks exist to guide researchers in developing and evaluating these complex interventions [ 47].
