Prevalence of respiratory and atopic disorders among children in the East and West of Germany five years after unification.
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S. Weiland | U. Keil | E. von Mutius | H. Renz | E. Mutius | T. Hirsch | W. Leupold | S. Weiland | C. Fritzsch | A. Hüsing | H. Duhme | B. Werner | M. Stender | B. Werner | A. Husing