These defects usually occur together, but they may occur separately.

But he said that some defect had occurred.

Some cells can be "missing" only if the defect occurs midway in fetal development, she said.

He stated repeatedly that defects occur because of management actions and attitudes.

As a result, defects occur at an extremely low rate ( 1 part per million).

I gave the alarm at exactly 22:33, which means just about 3 minutes after the defect occurred.

Cyclonal defects usually occur in series called "the families of the cyclones".

Usually the defect is unilateral (on one side only) and most commonly occurs in men.

This defect can either occur in the small or large intestine.

These defects occur while the fetus is developing in the uterus and affect 8-10 out of every 1,000 children.