H.M.O.'s and insurance companies are now regulated mainly by the states.

For decades, insurance has been regulated mainly by the states.

Under the proposals, the Federal Government would become deeply involved in regulating private health insurance, which for decades has been regulated mainly by the states.

Input of water is regulated mainly through ingested fluids, which, in turn, depends on thirst.

Health insurance is now regulated mainly by the states.

The legislation would set the first comprehensive federal standards for health insurance, which has been regulated mainly by the states.

Such insurance is regulated mainly by the states.

It's regulated mainly as an irritant, not a toxic chemical.

Insurance is mainly regulated by the states.

A company is a legal entity whose affairs are mainly regulated by the Companies Act 1985.