The relation of technological progression to consent, however, remains unclear (Article 29 Data Protection Working Party 2007a).
Whether his open-mindedness extends to politics is still unclear (see article).
The precise reasons are unclear, the article said, but it is believed that biology -- such as how the liver absorbs and the body processes medication -- plays a large role.
M. Adrian Mattocks Charlotte, N.C., June 25 , 2009 To the Editor: The seemingly generous offer by drug companies to discount brand-name drugs to Medicare beneficiaries ("Federal Saving From Lowering of Drug Prices Is Unclear," news article, June 23) should be viewed by policy makers with caution.
For reasons that are unclear, the article indicated that Hogan claimed to round the bases in 1889, six earlier than other reports.
Where an abstract was not available or the article's significance was unclear, the full article was examined.
If the suitability of an article was unclear, the full-text article was assessed.
Head partially preserved in dorsal view; compound eyes obvious; antennae filiform, partly preserved, articles unclear.
As such, it is unclear if the articles were sound scientific papers or opinion based commentaries.
The true bioavailability of oral GlcN in humans is unclear although numerous articles cite GlcN bioavailability as 26%.
Information about the centre status of the trial was unclear in 21 articles, so the corresponding author was contacted, and information was obtained for nine.
