Nulliparous

A coded value specifying the reason why the entity is nullified.

Specifies whether an entity, event or activity cancels out a previous entity, event or activity.

A non-functioning pituitary gland adenoma without hormonal immunoreactivity or evidence of specific adenohypophysial cell derivation.

A mutation that results in either no gene product or the absence of function at the phenotypic level.

A special value that may be stored in some database columns to represent an unknown, missing, not applicable, or undefined value. …

A state in the north eastern of Mexico. Its capital is Monterrey.