Ferritin measurement IN Donors-Effectiveness of iron Monitoring to diminish iron deficiency and low haemoglobin in whole blood donors (FIND'EM): study protocol for a stepped wedge cluster randomised trial.
Maike G SweegersSaurabh ZalpuriFranke A QueeElisabeth M J Huis In 't VeldFemmeke J PrinszeEmiel O HoogendijkJos W R TwiskAnton W M van WeertWim L A M de KortKatja van den HurkPublished in: Trials (2020)
The Dutch trial registry NTR6738 . Registered on 29 September 2017. Retrospectively registered.