@article{doi:,
title = {Quickstats: From the national center for health statistics death rate* from complications of medical and surgical care among adults aged ≥45 years, by age group—united states, 1999–2009 },
journal = {JAMA},
volume = {309},
number = {3},
pages = {231},
year = {2013},
doi = {},
URL = { + http://dx.doi.org/},
eprint = {/data/Journals/JAMA/926246/jwr130001_231_231.pdf}
}