Kumar, A., G. S. Narang, G. Singh, and J. Kaur. “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, vol. 6, no. 3, Apr. 2019, pp. 1008-13, doi:10.18203/2349-3291.ijcp20191021.