A multicentre study comparing freehand versus ruler-assisted surgical margin drawing accuracy.
To get your personalized results, please enter your department ID (e.g., EN-LON) and your participant ID (e.g., JH5I) in the fields below.
Please do not share your participant ID. No names are collected in this study, so your ID is the only key to your results.
For questions about the study, contact the principal investigator at .