a diabetic patient的用法和样例：
- Diabetic patients; a diabetic coma.
- Diabetic patients;a diabetic coma.
- We present a report of a diabetic patient with an infection of his left thumb and thenar eminence.Standard cultures of drainage and tissue biopsy were unrevealing.
- A diabetic is not allowed to take sweets.
- He was diagnosed (as) a diabetic when he was 64.