Health care utilization and expenditure changes associated with bariatric surgery.
Maciejewski
Matthew L
ML
Center for Health Services Research in Primary Care, Durham VA Medical Center, Durham, NC 27705, USA. matthew.maciejewski@va.gov
Smith
Valerie A
VA
Livingston
Edward H
EH
Kavee
Andrew L
AL
Kahwati
Leila C
LC
Henderson
William G
WG
Arterburn
David E
DE