Violation
Aphthous ulcers are characterized by 1. pain. 2. pseudomembranes. 3. inflammation. 4. vesicle formation
(1) (2) (3)
(1) and (3)
(2) and (4)
(4) only
All of the above.
Aphthous ulcers are characterized by 1. pain. 2. pseudomembranes. 3. inflammation. 4. vesicle formation
(1) (2) (3)
(1) and (3)
(2) and (4)
(4) only
All of the above.