Sara Rafique, Sadaf Khan, Shahbaz Ahmed, Masood Anwar Qureshi, and Rafat Amin. 2020. “Case-Control Study for Assessment of Factors Associated With Periodontitis Among Adults Attending University Hospital in Karachi, Pakistan”. Journal of the Pakistan Medical Association 71 (1):252-56. https://doi.org/10.47391/JPMA.568.