Joseph, J., Devarashetty, V., Reddy, S.N. and Sushma, M. 2017. Parents’ knowledge, attitude, and practice on childhood immunization. International Journal of Basic & Clinical Pharmacology. 4, 6 (Jan. 2017), 1201–1207. DOI:https://doi.org/10.18203/2319-2003.ijbcp20151359.