Panda, B. K., R. Bajaj, D. Surve, and R. Deshpande. “Safety Evaluation Following Immunization of Pentavalent Vaccine (multi-Dose vial): Experiences and Comparative Study”. International Journal of Contemporary Pediatrics, vol. 8, no. 2, Jan. 2021, pp. 243-7, doi:10.18203/2349-3291.ijcp20210107.