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1by Gunnbjornsdottir, M I, Franklin, K A, Norbäck, D, Bjornsson, E, Gislason, D, Lindberg, E, Svanes, C, Omenaas, E, Norrman, E, Jõgi, R, Jensen, E J, Dahlman-Höglund, A, Janson, C“..., Denmark, and Estonia who had participated in the European Community Respiratory Health Survey (ECRHS I...”
Published in Thorax (2006)
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2by Gunnbjornsdottir, M I, Omenaas, E, Gislason, T, Norrman, E, Olin, A C, Jõgi, R, Jensen, E J, Lindberg, E, Bjornsson, E, Franklin, K, Janson, C, Gulsvik, A, Laerum, B, Svanes, C, Torén, K, Tunsäter, A, Lillienberg, L, Gislason, D, Blondal, T, Bjornsdottir, U S, Jorundsdottir, K B, Talvik, R, Forsberg, B, Lundbäck, B, Söderberg, M, Ledin, M C, Boman, G, Norbäck, D, Wieslander, G, Spetz-Nyström, U, Cashelunge, K Stenudd, Rydén, E“..., Denmark, Sweden and Estonia, a postal questionnaire was sent to previous respondents. A total of 16,191...”
Published 2004
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