Commentary: assessing the health effects of Medicare coverage for previously uninsured adults: a matter of life and death?
McWilliams
J Michael
JM
Department of Health Care Policy, Harvard Medical School, and Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA. mcwilliams@hcp.med.harvard.edu
Meara
Ellen
E
Zaslavsky
Alan M
AM
Ayanian
John Z
JZ