Prasad, S SDuggal, MAggarwal, A KKumar, RDevidayal,2001-01-132009-06-032001-01-132009-06-032001-01-13Prasad SS, Duggal M, Aggarwal AK, Kumar R, Devidayal . Intensive pulse polio immunization workers and vaccine vial monitors. National Medical Journal of India. 2001 Jan-Feb; 14(1): 59http://imsear.searo.who.int/handle/123456789/119283engAwarenessDrug PackagingHealth PersonnelHot TemperatureHumansPoliovirus Vaccine, OralLetter