Oxygen vacancies have most often been invoked, but solid and direct evidence is scarce.
The complex architecture of open cell foams has most often been described by Kelvin cell models.
In the past that threat has most often been a visible mobilization of armed forces.
Or, as has most often been the case throughout Aiello's career, very fine third bananas.
He says another person whose name "has most often been repeated to me" is Elliott Abrams.
Likewise, the complicated story of American conservatism has most often been told in a macho pitch.
Historical cases of system transition have most often been used to understand the dynamics of regime destabilization.
Since the environmental police unit was created in 1983, it has most often been called in to handle medical waste.
What the service does is monetise a need that is most often been met by friends and relatives.
Baseball may be America's great literary game, but it has most often been captured in prose, rather than verse.
In the past, sexual laws and regulations have most often been strengthened in the name of protecting children.
