Background: Poor recruitment is one key reason for premature closure of randomised controlled trials. The Melatonin for Anxiety prior to General Anaesthesia In Children (MAGIC) trial was a multicentre randomised controlled trial of melatonin vs midazolam in the premedication of anxious children. before surgery. The trial ran between 2019 and 2022. https://allfixelectricales.shop/product-category/washer-suspension-guide/