Drupal-Bibcite0<style face="normal" font="default" size="100%">Comparison of characteristics of patients with lung cancer in U.K. primary care databases: Clinical Practice Research Datalink Aurum and GOLD</style><style face="normal" font="default" size="100%">Comparison of characteristics of patients with lung cancer in U.K. primary care databases: Clinical Practice Research Datalink Aurum and GOLD</style>