PT - JOURNAL ARTICLE AU - C. Tabak AU - A.M.W. Spijkerman AU - W.M.M. Verschuren AU - H.A. Smit TI - Does educational level influence lung function decline (Doetinchem Cohort Study)? AID - 10.1183/09031936.00111608 DP - 2009 Jun 18 TA - European Respiratory Journal 4099 - http://erj.ersjournals.com/content/early/2009/06/18/09031936.00111608.short 4100 - http://erj.ersjournals.com/content/early/2009/06/18/09031936.00111608.full