The book states that he holds a PhD degree from a leading institute of technology.

She has a PhD degree in the field of psychology.

PhD degrees can only be granted by recognised (research) universities.

The first professional boxing world champion to hold a PhD degree.

The PhD degree is awarded following a successful defense of the dissertation.

Those studying for a PhD degree are expected to generate new knowledge.

He started, but did not finish, work for a PhD degree.

He obtained a PhD degree in 1954, from the same institution.

They are highly qualified; some of them hold PhD degrees in science.

Many PhD degrees begin with a period of graduate courses.