Kumar, Dr. Amit. “Real-Time Study for Uses of Opened Multidose Vials of Live Attenuated Bivalent Oral Polio Vaccine: Real-Time Study for Uses of Opened Multidose Vials of Live Attenuated Bivalent Oral Polio Vaccine”. International Journal of Pharmaceutical & Biological Archive 11, no. 3 (September 15, 2020). Accessed July 5, 2024. http://ijpba.info/index.php/ijpba/article/view/1890.