Gaffar, B. O., M. M. El Tantawi, A. S. AlAgl, and A. A. Al-Ansari. “Food Intake, Oral Hygiene and Gingival Bleeding in Pregnancy: Does Lifestyle Make a Difference? A Cross Sectional Exploratory Study”. International Journal of Health Sciences, vol. 10, no. 1, Feb. 2016, https://pub.qu.edu.sa/index.php/journal/article/view/1295.