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A specific question on rural/urban/farming environment was not included because the population was restricted to children born in a city-based maternity unit and still living in the city and/or registered in a city school.
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Veröffentlicht in: | Journal of allergy and clinical immunology 2007-11, Vol.120 (5), p.1226 |
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Hauptverfasser: | , |
Format: | Artikel |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext |
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Zusammenfassung: | A specific question on rural/urban/farming environment was not included because the population was restricted to children born in a city-based maternity unit and still living in the city and/or registered in a city school. |
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ISSN: | 0091-6749 1097-6825 |
DOI: | 10.1016/j.jaci.2007.07.006 |