Szefler, Stanley J Early asthma: stepping closer to primary prevention. [electronic resource] - The Journal of allergy and clinical immunology Aug 2012 - 308-10 p. digital Publication Type: Editorial; Introductory Journal Article ISSN: 1097-6825 Standard No.: 10.1016/j.jaci.2012.06.004 doi Subjects--Topical Terms: Asthma--diagnosisChild, PreschoolGuidelines as TopicHumansPrimary Prevention