Bhandary, S., S. Rao, S. Shetty, and A. M. D'Cruz. “Estimation of Salivary Biomarkers in Passive Smoking Children - a Comparative Study”. Bangladesh Journal of Medical Science, vol. 15, no. 2, Aug. 2016, pp. 160-5, doi:10.3329/bjms.v15i2.22990.