Ray has been saying that a significant number (perhaps majority) of deaths are iatrogenic - i.e. caused by the medical procedures and/or staff. These studies seem to confirm his view:
http://arstechnica.com/science/2014/12/ ... o-survive/
http://www.ncbi.nlm.nih.gov/pubmed/18849101
http://arstechnica.com/science/2014/12/ ... o-survive/
http://www.ncbi.nlm.nih.gov/pubmed/18849101