@article{sumer m alaki2017dental,
  title={Comparing Dental Stress in New Child Patients and Returning Patients
Using Salivary Cortisol, Immunoglobulin-A and Alpha- Amylase},
  author={sumer m alaki,ayman saf,soliman ouda,alaa nadhreen},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={41},
  number={6},
  pages={462--466},
  doi = {10.17796/1053-4628-41.6.8},
  year={2017}
}