Multicenter Study

Treatment of unruptured intracranial aneurysms: a nationwide assessment of effectiveness.

AJNR Am J Neuroradiol. 2007 Jan 1;28(1):146-51.
Article

Volume of emergency department admissions for sepsis is related to inpatient mortality: results of a nationwide cross-sectional analysis.

Crit. Care Med. 2010 Nov 1;38(11):2161-8.
Comparative Study

Outcomes from 3144 adrenalectomies in the United States: which matters more, surgeon volume or specialty?

Arch Surg. 2009 Nov 1;144(11):1060-7.