title: Severe vitamin A deficiency in India during pulse polio immunization.
authors.forename: Keith
authors.initials: K
authors.lastname: Feldon
authors.forename: Sunil
authors.initials: S
authors.lastname: Bahl
authors.forename: Pankaj
authors.initials: P
authors.lastname: Bhatnagar
authors.forename: Jay
authors.initials: J
authors.lastname: Wenger
mesh_terms: D002675:Child, Preschool; D016000:Cluster Analysis; D005128:Eye Diseases / Q000453:epidemiology* / Q000209:etiology; D006801:Humans; D017589:Immunization Programs / Q000706:statistics & numerical data*; D007194:India / Q000453:epidemiology; D007223:Infant; D007231:Infant, Newborn; D011051:Poliomyelitis / Q000517:prevention & control*; D015995:Prevalence; D014802:Vitamin A Deficiency / Q000150:complications / Q000175:diagnosis / Q000453:epidemiology*