Ghazal, Mehwish Clinical evaluation of smoker periodontal subjects after lactobacillus-reuteri probiotics and antibiotics therapy with scaling and root debridement : a clinical trial / by Mehwish Ghazal ; supervised by Shahbaz Ahmed - Karachi 2020 ISBN: 9789696851523 Subjects--Topical Terms: Master of Dental SciencesPeriodontology