Evaluation of The Efficiency of Immunization Services at A Primary Health Care Centre of a Squatter Settlement in Karachi Research work was done at Ziauddin University, Karachi. J Fatima Jinnah Med Univ [Internet]. 2018 Nov. 23 [cited 2026 Apr. 22];8(3). Available from: https://www.jfjmu.com/index.php/ojs/article/view/145