RT Journal
T1 SEptember 15, 1999
JF JAMA
JO JAMA
YR 1999
FD September 15
VO 282
IS 11
SP 1099
OP 1100
DO 10.1001/jama.282.11.1099
UL http://dx.doi.org/10.1001/jama.282.11.1099
AB