Our finding proved the essential element of virulence factors over H. pylori infection in evaluating the higher incidence of GC between the countries with the same H. pylori prevalence.
The simulations also supported the likelihood that a planetary collision enriched Earth with volatile elements that proved essential to the emergence of life.
This specialist hill-farming expertise, which was 'not codified anywhere' and was 'passed down orally and by apprenticeship' [16] in fact proved essential to predicting the behaviour of radioactive elements in the soil and to formulating competent strategies to manage the problem.
(The brushes proved essential for the cleaning of soldiers' rifles).
"Essential elements of the O.S.C.E.
Responsible questioning and dissent are essential elements of our democracy.
The other essential elements of a Dan Brown movie are intact.
In addition, they must have knowledge of the essential elements of the principal's intended offence.
Peterson presented the plan as a re-creation of the essential elements of the New York cityscape.
Education is one of the essential elements of tackling ignorance, bigotry and intolerance.
