title: Commentary.
authors.affiliation: Pediatric Medicine, South Burlington, VT, USA. William.Gerson@vtmednet.org
authors.forename: William T
authors.initials: WT
authors.lastname: Gerson
mesh_terms: D001249:Asthma / Q000175:diagnosis*; D003550:Cystic Fibrosis / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008297:Male; D008403:Mass Screening / Q000379:methods*; D011320:Primary Health Care