The regulation of the above drugs varies in many countries.

Prices and regulations don't vary much between the main international rental companies.

Regulations vary, but low concentrations, such as 3%, are widely available and legal to buy for medical use.

The regulations governing these aspects may vary in different nations.

But the regulations on laser hair removal vary by state, he added.

Regulations vary from state to state, and there is no federal policy.

Child support laws and regulations vary around the world.

Regulations concerning accident reporting vary from one authority to another.

Regulations about who else can perform laser hair removal vary by state.

The regulations that apply to animals in laboratories vary across species.