Malvika Singh, Radhika Singhal, Rohini Negi, Rajan Gupta, Parveen Dahiya, Mukesh Kumar, and Rohit Bhardwaj. “Periodontal Status in Pre- and Post-Menopausal Women: A Review”. Asian Pacific Journal of Health Sciences, vol. 5, no. 2, June 2018, pp. 136-41, doi:10.21276/apjhs.2018.5.2.26.