Waris, K., Saleem, S., Arshad, M. and Iqbal, J. 2017. A Novel Complementary Alternative Medicine: An In-Vitro Evaluation of Efficacy of Nigella sativa Extract as an Antibacterial Agent against Porphyromonas gingivalis. Annals of Punjab Medical College (APMC). 11, 3 (Aug. 2017), 247-251. DOI:https://doi.org/10.29054/apmc/2017.205.