Seroprevalence of anaplasmosis among cattle in Switzerland in 1998 and 2003: No evidence of an emerging disease von Dreher, Ute M., Hofmann-Lehmann, Regina, Meli, Marina L., Regula, Gertraud, Cagienard, Ariane Y., Stärk, Katharina D.C., Doherr, Marcus G., Filli, Flurin, Hässig, Michael, Braun, Ueli, Kocan, Katherine M., Lutz, Hans

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