Sultana, N., S. Rahman, F. Ahmed, and S. A. Ullah. “Alpha Feto Protein in Vaginal Fluid As a Diagnostic Marker of Premature Rupture of Membrane”. Northern International Medical College Journal, vol. 10, no. 1, Dec. 2018, pp. 335-8, doi:10.3329/nimcj.v10i1.39327.