Drupal-Bibcite0<style face="normal" font="default" size="100%">Monitoring of the infectious agent Chlamydia psittaci in common swifts (Apus apus) in the area of Hannover, Lower Saxony, Germany</style><style face="normal" font="default" size="100%">Monitoring of the infectious agent Chlamydia psittaci in common swifts (Apus apus) in the area of Hannover, Lower Saxony, Germany</style>