title: Age of exposure to infections and risk of childhood leukaemia.
authors.affiliation: Department of Epidemiology, Harvard School of Public Health, Boston, MA 02115.
authors.forename: E
authors.initials: E
authors.lastname: Petridou
authors.forename: D
authors.initials: D
authors.lastname: Kassimos
authors.forename: M
authors.initials: M
authors.lastname: Kalmanti
authors.forename: H
authors.initials: H
authors.lastname: Kosmidis
authors.forename: S
authors.initials: S
authors.lastname: Haidas
authors.forename: V
authors.initials: V
authors.lastname: Flytzani
authors.forename: D
authors.initials: D
authors.lastname: Tong
authors.forename: D
authors.initials: D
authors.lastname: Trichopoulos
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001722:Birth Order; D002648:Child; D002656:Child Day Care Centers / Q000706:statistics & numerical data; D002675:Child, Preschool; D004781:Environmental Exposure; D005260:Female; D006115:Greece / Q000453:epidemiology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007239:Infections; D007938:Leukemia / Q000453:epidemiology / Q000209:etiology*; D008297:Male; D012306:Risk; D012923:Social Class