Osadolor, O. O. ., O. O. . Osadolor, A. J. . Osadolor, and A. P. . Ekpeti. “Effectiveness of Vaccines and Barriers Against Effective Cold Chain Systems”. Mediscope, vol. 10, no. 1, Apr. 2023, pp. 38-41, doi:10.3329/mediscope.v10i1.65411.