She said her doctor had referred her for tests to find out if her health problems were pollution-related.

BBC: Air Balloon Cottages

SimpleCare tries to get patients discounts if they need to be referred to specialists or have to have tests such as CAT scans.

FORBES: Fact and Comment

The goal of such tests, says IntegraGen general manager Larry Yost, is to have children at very high risk for autism referred to specialists for a definitive diagnosis earlier.

WSJ: Why Kids Get Autism: New Genetic Clues