Maintenance work on the ZORA databases is scheduled for Wednesday 22 May 2019 from 20:00-22:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Saxer, F; Widmer, A; Fehr, J; Soka, I; Kibatala, P; Urassa, H; Frei, R; Smith, T; Hatz, C (2009). Benefit of a single preoperative dose of antibiotics in a sub-saharan district hospital: minimal input, massive impact. Annals of Surgery, 249(2):322-326.