When we added only single forms of N (i.e., the U-Gly, U-Phe, and I15N treatments), all N added to the pitchers was enriched in 15N.
Multiple studies have shown that varenicline is more efficacious than placebo, bupropion, or single forms of nicotine replacement therapy.
Although, overall, a very large number of children were included in this analysis, sample size limitations hindered a more detailed analysis for the less common diagnostic groups or for single forms of childhood cancer.
However, two recent network meta-analyses (NMAs) based on evidence from randomised controlled trials indicate that varenicline and combination NRT are more effective than single forms of NRT [ 15, 16].
These results are consistent with those of earlier studies mostly focusing on single forms of cancers (Flood et al, 2000; Pineda et al, 2001; Lin et al, 2002; McGuire et al, 2002; Hashibe et al, 2003; Pagano et al, 2003; Chien et al, 2005; Gomez et al, 2007; Sun et al, 2007).
Consider offering a combination of nicotine patches and another form of NRT (such as gum, inhalator, lozenge or nasal spray) to people who show a high level of dependence on nicotine or who have found single forms of NRT inadequate in the past.
"He refuses to be confined to a single form of expression.
Contingency theorists disputed the assumption that a single form of organization is best in all circumstances.
Then again, there is no single form of journalism so the separate description is understandable.
According to the World Health Organisation, approximately two million people around the world die from the effects of alcohol each year, more than from any single form of cancer.
The forced adoption of single form of accounting runs the risk of severely restricting the different forms of capitalism that can develop.
