They specialized in close air support and during the course of the war were credited with only one plane shot down.

She specialized in the topic of female sexuality during a time when the literary world was dominated by men.

Obstetrician: A doctor who specializes in care of women during pregnancy and childbirth.

In addition to a standard high school curriculum, students specialize in a self-selected major during the final two years of enrollment.

He specialised in the triple jump and the long jump events during his career.

The roles of the company we specialized during the 1970s.

She specialised in the high jump event during her career.

He specialized in the 200 metres and the 400 metres during his career.

The laboratory specializes in prenatal screening during the first trimester of pregnancy.

"Especially since you did specialize in gryphon-trauma during the war!"