Prasad, D.; Prasad, N.; Prakash, V.; Parveen, S.; Mishra, U. Sero-Prevalence of Unvaccinated Adolescent Girls Susceptible to Rubella Virus Infection Seen in a Tertiary Care Hospital of Patna, Bihar, India. Int J Reprod Contracept Obstet Gynecol 2020, 9, 1972-1975.