Ahmad, S., J. Pal, A. Das, and S. Samanta. “Adverse Events Following Immunization With Pentavalent Vaccine Among Infants Attending the Immunization Clinic at a Tertiary Hospital in Eastern India”. International Journal Of Community Medicine And Public Health, vol. 4, no. 7, June 2017, pp. 2570-5, doi:10.18203/2394-6040.ijcmph20172861.