It was a major reason for the fast growth of the electronics and communications industries in the early part of the twentieth century.

VOA: special.2010.01.31

A major reason is prematurity the death rates are among the highest in the world.

VOA: special.2009.05.25

Falls are a leading cause of death for older adults and also a major reason they enter a nursing home.

VOA: standard.2010.02.26

He says neither side expects a major shift in relations, but the White House does have reason for concern.

VOA: standard.2009.11.12