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Respiratory Medicine > 2015 > 109 > 8 > 982-990
Pediatric Allergy and Immunology > 23 > 4 > 339 - 346
Pediatric Allergy and Immunology > 21 > 5 > 806 - 813
Journal of Urban Health > 2008 > 85 > 6 > 880-909
Respiratory Medicine > 2001 > 95 > 12 > 954-964
European Journal of Epidemiology > 2001 > 17 > 9 > 809-817
European Journal of Epidemiology > 1998 > 14 > 3 > 239-245