Pratiksha, G., A. Neha, H. Anju, and L. Gurvinder. “Significance of Bacterial Vaginosis and Periodontal Infection As Predictors of Preterm Labor”. Bangladesh Journal of Medical Science, vol. 15, no. 3, Nov. 2016, pp. 441-9, doi:10.3329/bjms.v15i3.14888.