title: Vitamin A deficiency today: conjunctival xerosis in cystic fibrosis.
authors.affiliation: Dana Center for Preventative Ophthalmology, Wilmer Institute, Johns Hopkins Hospital, Baltimore.
authors.forename: A
authors.initials: A
authors.lastname: Sommer
mesh_terms: D002648:Child; D003229:Conjunctival Diseases / Q000209:etiology*; D003550:Cystic Fibrosis / Q000150:complications*; D006801:Humans; D014802:Vitamin A Deficiency / Q000150:complications*; D014985:Xerophthalmia / Q000209:etiology