In this captivating article Atul Gawande, an american surgeon, explains how the use of something as simple as a paper checklist has dramatically increased the quality of intensive care and saved hundreds of peoples lives.

He also explains how difficult it is to make this use more widespread as there is still skepticism as to the effectiveness of this rather simple tool (although it has been proved in widespread research). Whereas it seems much simpler to market a new expensive drug or equipment which usually does not yield better results.

Annals of Medicine: The Checklist: Reporting & Essays: The New Yorker