title: Early detection of vitamin A deficiency in children with persistent diarrhoea.
authors.forename: N
authors.initials: N
authors.lastname: Usha
authors.forename: A
authors.initials: A
authors.lastname: Sankaranarayanan
authors.forename: B N
authors.initials: BN
authors.lastname: Walia
authors.forename: N K
authors.initials: NK
authors.lastname: Ganguly
mesh_terms: D002675:Child, Preschool; D002908:Chronic Disease; D003228:Conjunctiva / Q000473:pathology*; D003967:Diarrhea / Q000150:complications*; D006801:Humans; D014802:Vitamin A Deficiency / Q000175:diagnosis*