RT Journal
A1 Jacobstein R
T1 ORientation
JF JAMA
JO JAMA
YR 2009
FD February 4
VO 301
IS 5
SP 466
OP 466
DO 10.1001/jama.2008.981
UL http://dx.doi.org/10.1001/jama.2008.981
AB