title: Long-term, placebo-controlled trial of ketotifen in the management of preschool children with asthma.
authors.forename: K
authors.initials: K
authors.lastname: Knol
authors.forename: H J
authors.initials: HJ
authors.lastname: Neijens
mesh_terms: D001249:Asthma / Q000188:drug therapy*; D002675:Child, Preschool; D006801:Humans; D007665:Ketotifen / Q000627:therapeutic use*
chemical_list: D007665:Ketotifen