Stoeva, I., Dencheva, M., Mircheva, K., Chonin, A. Respiratory symptoms of exposure to substances in the workplace among bulgarian dental students: a self-report questionnaire survey. Plovdiv: 2020 141-146,.
Stoeva, I., Dencheva, M., Mircheva, K., Chonin, A. Respiratory symptoms of exposure to substances in the workplace among bulgarian dental students: a self-report questionnaire survey. Plovdiv: 2020 141-146,.
Stoeva, I., Dencheva, M., Mircheva, K., Chonin, A. (2020) Respiratory symptoms of exposure to substances in the workplace among bulgarian dental students: a self-report questionnaire survey, Plovdiv: 141-146,.
Stoeva, I., Dencheva, M., Mircheva, K., & Chonin, A. (2020). Respiratory symptoms of exposure to substances in the workplace among bulgarian dental students: a self-report questionnaire survey. Plovdiv: 141-146.
Stoeva I, Dencheva M, Mircheva K, Chonin A. Respiratory symptoms of exposure to substances in the workplace among bulgarian dental students: a self-report questionnaire survey. Plovdiv: 2020. p. 141-146.