Coronary stents are small scaffolds routinely implanted during angioplasty procedures to re-open coronary arteries which have become narrowed by an atherosclerotic plaque.
However, the route up to the pass had become narrowed and dangerous due to rockfall.
"The approach of the Republican party and Mr McCain has become narrower and narrower.
In recent weeks, Mr. Powell added, "the approach of the Republican Party and Mr. McCain has become narrower and narrower".
"The world did not expand as I imagined it would; it has become narrower with communities seeking security amongst the familiar and similar.
He praised the contrasting "steadiness" and "intellectual vigor" of Obama, adding: On the Republican side over the last seven weeks, the approach of the Republican Party and Mr. McCain has become narrower and narrower.
It has become narrower as more of the theme park has disappeared.
Furthermore, the H line width of the side chain HN in W291 has become narrower in HscA395, which indicates enhanced mobility.
But the window passage has become narrower because it is rather hard to search a molecule that can selectively inhibit the proliferation of abnormal cells only with least or no affect on normal cells.
The debate on the causes of haemoglobin variability would be purely academic if the stability of haemoglobin were not to be within a therapeutic margin that, in these last few years, has become narrower, and if the haemoglobin fluctuations had not been associated with a greater morbidity [ 22].
