months (F = - 2 ym; Figure 1. The number of male and female coyotes captured each month during de~redation control efforts in western Virginia by method. ' Females comprised 51% of our sample and males 49%.
Common causes of mouth ulcers. The most common causes of mouth ulcers are related to disturbances of the mouth and include: 1  Bacterial infections. 2  Canker sores. 3  Dietary deficiencies, such as lack of vitamin B-12, zinc, folate (folic acid), or iron. 4  Emotional stress. 5  Food allergies. 6  Nutritional deficiency. 7  Spicy foods.
Causes. They are usually simple aphthous ulcers. A typical aphthous ulcer has a red rim with a greyish centre. Less frequently, they can be caused by Candida, herpes simplex, Kaposi's sarcoma, lymphoma or a low white cell count (neutropenia) and they may develop into bacterial infections. Treatment with ddC has been associated with the development of mouth ulcers in 15 to 30% of people who take the drug.