IDEAL framework for surgical innovation 2: observational studies in the exploration and assessment stages
Ergina, P. L., Barkun, J. S., McCulloch, P., Cook, J. A., Altman, D. G.Volume:
346
Language:
english
Journal:
BMJ
DOI:
10.1136/bmj.f3011
Date:
June, 2013
File:
PDF, 270 KB
english, 2013