title: Lessons learnt from pulse polio immunisation programme. AIIMS-India CLEN PPI Program Evaluation 1997-98 Team.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003906:Developing Countries; D005260:Female; D006801:Humans; D017589:Immunization Programs; D007194:India; D007223:Infant; D008297:Male; D011051:Poliomyelitis / Q000453:epidemiology / Q000517:prevention & control*; D011159:Population Surveillance