T. Haider, Z. Yousaf, A. G. Khan, and S. Fatima, “Awareness and practice of oral hygiene and its relation to socio-demographic factors among patients attending general OPD: Oral Hygiene & its Relation to Socio-Demographic Factors”, PBMJ, vol. 5, no. 2, pp. 80–83, Feb. 2022, doi: 10.54393/pbmj.v5i2.301.