Rafi, S Expanded programme of immunization in Karachi. [electronic resource] - JPMA. The Journal of the Pakistan Medical Association Feb 1995 - 34-7 p. digital Publication Type: Journal Article ISSN: 0030-9982 Subjects--Topical Terms: AdultBCG VaccineChild, PreschoolDiphtheria-Tetanus-Pertussis VaccineFemaleHumansImmunization ProgramsInfantInfant, NewbornMaleMothersPakistanPoliovirus Vaccine, InactivatedProspective StudiesTime Factors