Al-Dafaai, R. R., Diab, B. S. and Abd Al- Ghani, H. A.A.-.G.J. (2016) “Personality Types in Relation to the Periodontal Health Status and Salivary Dehydroepiandrosterone among Teachers in Baghdad City”, Journal of Baghdad College of Dentistry, 28(4), pp. 144–48. doi:10.12816/0033226.