title: Universal immunization in urban areas: Calcutta's success story.
authors: UNICEF, Calcutta.
authors: E R
authors: ER
authors: Chaudhuri
mesh_terms: D006285:Health Planning; D006293:Health Promotion / Q000379:methods; D006801:Humans; D007194:India; D007223:Infant; D009313:National Health Programs / Q000458:organization & administration*; D011641:Public Relations; D014504:Urban Health; D014505:Urban Population; D014611:Vaccination / Q000706:statistics & numerical data*