He is a specialiser in the field of neurology.

He is a specialistic doctor in the field of cardiology.

He approached the problem specialistically.

There are many left-handed specialists in the hospital.

The infectious disease specialist treated the patient with a rare infection.

Infectious disease specialists play a crucial role in preventing and treating the spread of contagious illnesses.

There are many specialty stores in the mall.

Non-specialists often struggle to understand complex scientific concepts.

He is a non-specialist in the field of medicine.

He is a non-specialist in the field of medicine.