My friend's last name is Buerger.

The Buergers are a well-known family in the town.

Buerger's disease is a rare nonatherosclerotic segmental inflammatory disease that affects small and medium-sized arteries and veins in the extremities.

Buerger disease is a rare condition that affects the blood vessels in the arms and legs.

Buergerite is a rare mineral found in igneous rocks.

The museum has a collection of rare buergerites.