Kettles, A N Immunisation in a rural setting. The EPI as a vital arm of primary health care. [electronic resource] - South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde Sep 1987 - 343-5 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0256-9574 Subjects--Topical Terms: BCG VaccineDiphtheria ToxoidHumansImmunizationInfantInfant MortalityMeasles VaccinePreventive Health Services--organization & administrationRural HealthSouth AfricaTetanus Toxoid