Smoking and urinary cotinine by socioeconomic status in the Heinz Nixdorf Recall Study
Jan Hovanec, Tobias Weiß, Holger Koch, Beate Pesch, Thomas Behrens, Benjamin Kendzia, Marina Arendt, Nico Dragano, Susanne Moebus, Börge Schmidt, Thomas Brüning, Karl-Heinz Jöckel
J Epidemiol Community Health Jun 2019, 73 (6) 489-495; DOI: 10.1136/jech-2018-211952