Letter: s

The Society for Healthcare Epidemiology of America

Length of time a concentrated or use dilution of a product can remain active and effective.

Enteral nutrition that is required for less than 3 to 4 weeks.

International System of Units (abbreviated SI from French)

Sacro-iliac joint

Sudden Infant Death Syndrome

Silicone rubber.

Synchronized Intermittent Mandatory Ventilation

Any of the eight cavities within the skull that are connected with the nasal cavity.

Inflammation or infection of any of the draining (sinus) cavities of the skull.