I want to work in the field of urology.

Biology class can be difficult.

Staphylococcus infection can lead to a serious health problem.

Pneumococcal infections are a serious health problem.

I work in the field of neurology.

A pneumologist specializes in respiratory system diseases.

Fleece is a material used to keep warm in winter.

A dermatologist works to maintain the health of the skin.

I work in the cardiology department.

I can't accept this attractive offer.