Kumar, A., Narang, G. S., Singh, G., & Kaur, J. (2019). Comparison of the effectiveness of oral sucrose solution and topical anaesthetics during immunization in infants between age 6 weeks-6 months. International Journal of Contemporary Pediatrics, 6(3), 1008–1013. https://doi.org/10.18203/2349-3291.ijcp20191021