Sangwan, G., Sharma, A. and Gupta, M. (2020) “Impact of COVID-19 pandemic on routine immunization of under-5 children”, International Journal of Health Systems and Implementation Research, 4(1), pp. 112-115. Available at: https://ijhsir.ahsas-pgichd.org/index.php/ijhsir/article/view/87 (Accessed: 5May2024).