Archimedes seeks to assist practising clinicians by providing ‘evidence-based’ answers to common questions that are not at the forefront of research but are at the core of practice (format adapted from BestBETS published in the Emergency Medicine Journal). A full description of the format is available online at http://bit.ly/ArchiTemplate.

Readers wishing to submit their own questions – with best evidence answers – are encouraged to review those already proposed at http://www.bestbets.org. If your question still hasn't been answered, feel free to submit your summary according to the instructions for authors at http://bit.ly/ArchiInstructions …