RT Journal
A1 Hubbell J
T1 STeadfast
JF JAMA
JO JAMA
YR 2010
FD January 27
VO 303
IS 4
SP 308
OP 308
DO 10.1001/jama.2009.1872
UL http://dx.doi.org/10.1001/jama.2009.1872
AB