Copyright: © 2022 Elsevier Ltd. All rights reserved. In a strange quirk of fate, when Wolfgang Preiser worked in Frankfurt, Germany, back in 2003, he was part of the ...

Describes the nature of a clinical study. Types include: Observational study — observes people and measures outcomes without affecting results. Interventional study (clinical trial) — studies new ...

Preiser disease is a rare condition where ischaemia and necrosis of the scaphoid bone occurs without previous fracture. A female patient in her 30s presented with severe right wrist pain caused by ...