Das, M. K., Arora, N. K., Gupta, B., Sharan, A., Kameswari, K., Padmalatha, P., Prasad, G. R., Shad, J., Shyamala, J., Harish Kumar, S., Nagender, Y., Sharmila, K., Shad, R., Garge, S., Bharadia, L., Gupta, A., Goswami, J. K., Lahiri, K., Sankhe, L., Mane, S., Patwari, Y. P., Ajayakumar, M., Santhosh Kumar, A., Sarangi, R., Tripathy, B. B., Mohapatra, S., Sahoo, S. K., Kumar, V., Kumar, R., Sarkar, S., Sarkar, R., Sarkar, N. R., Wakhlu, A., Ratan, S. K., Dubey, A. P., Mohan, N., Luthra, M., Vyas, B. R., Trivedi, H., Mathai, J., Sam, C. J., Jothilakshmi, K., Arunachalam, P., Bhat, J. I., Mufti, G., Charoo, B. A., Jena, P. K., Debbarma, S. K., Ghosh, S. K., Aggarwal, M. K., Haldar, P., Zuber, P. L., Maure, C., Bonhoeffer, J., & Ray, A. (2020). intussusception in children aged under two years in India: Retrospective surveillance at nineteen tertiary care hospitals. Vaccine, 38(43), 6849–6857. http://access.bl.uk/ark:/81055/vdc_100110429992.0x000039