Maintenance work on the ZORA database servers is scheduled for Thursday 25th July 2019 from 19:00-20:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Wolfensberger, A; Meier, A H; Kuster, S P; Mehra, T; Meier, M-T; Sax, H (2018). Should International Classification of Diseases codes be used to survey hospital-acquired pneumonia? Journal of Hospital Infection, 99(1):81-84.