Is air pollution associated with adaptive immune responses, measured by polyclonal elevation of serum free light chains?-Results from the prospective Heinz Nixdorf Recall Study. (October 2019) - B, Hoffmann; S, Ohlwein; F, Hennig; S, Lucht; B, Schmidt; M, Arendt; U, Dührsen; J, Dürig; K, Jöckel; S, Moebus