# Lessons learned on recruitment and retention in hard-to-reach families in a phase III randomised controlled trial of preparatory information for children undergoing general anaesthesia

> Research article (BMC Oral Health, 2017) · cited 16× · AI/ML

**Wikidata**: [openalex:W2751257381](https://www.wikidata.org/wiki/openalex:W2751257381)  
**Source**: https://4ort.xyz/entity/lessons-learned-on-recruitment-and-retention-in-hard-to-reach-families-in-a-phase-iii-randomised-controlled-trial-of-pre