Al-Obaidi, Najlaa S, and Alhan A Qasim. 2019. “Oral Hygiene Status in Relation to Salivary Estradiol Hormone Level Among Pre-Menopausal and Post-Menopausal Iraqi Women”. Journal of Baghdad College of Dentistry 31 (2): 70-74. https://doi.org/10.26477/jbcd.v31i2.2627.