RT Journal
A1 Pucciani D
T1 NOt needed
JF JAMA
JO JAMA
YR 2009
FD June 24
VO 301
IS 24
SP 2532
OP 2532
DO 10.1001/jama.2009.679
UL http://dx.doi.org/10.1001/jama.2009.679
AB