Keywords = calcium
LEVELS OF VITAMIN D AND CALCIUM AS RISK FACTORS FOR CHRONIC PERIODONTITIS

Volume 64, Issue 3 - July (Oral Medicine, X-Ray, Oral Biology & Oral Pathology), July 2018, Pages 2399-2407

Sandy H. S. Hassan; Nayroz Abdel-Fattah Tarrad; Olfat Gameel Shaker