The most widely used form of treatment is the bell and pad.
This is the most frequently used form in practice, though not the only one (see below for alternative forms).
It is the most widely used form of renewable energy.
By 1921, cigarettes had become the most used form of tobacco.
This is a list of the most commonly used forms.
Bus travel remains the most used form of public transport, especially by older people.
Video recordings are the most used form of educational music.
The most commonly used form of testing is the sweat test.
It was and is a very widely used form of script.
This is the most commonly used form in the literature today.