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Pediatric Allergy and Immunology > 23 > 7 > 616 - 622
Current Allergy and Asthma Reports > 2011 > 11 > 5 > 434-444
The Journal of Allergy and Clinical Immunology > 2006 > 118 > 5 > 1169-1175
Journal of Clinical Epidemiology > 2002 > 55 > 8 > 737-740