Izomo , E. J, O. Ikpotokin, and E. M Ogbeide. 2022. “A SURVIVAL ANALYSIS ON THE INCIDENCE OF PNEUMONIA AND INFANT MORTALITY RATE IN EDO CENTRAL SENATORIAL DISTRICT OF NIGERIA”. NIGERIAN JOURNAL OF SCIENCE AND ENVIRONMENT 18 (1). https://delsunjse.com/index.php/njse/article/view/61.