SUMAIR ANWAR, JAMAL ABDUL NASIR, NYTK. 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. 2018;8(3). Accessed October 2, 2026. https://www.jfjmu.com/index.php/ojs/article/view/145