RT Journal
T1 JUly 28, 1999
JF JAMA
JO JAMA
YR 1999
FD July 28
VO 282
IS 4
SP 399
OP 400
DO 10.1001/jama.282.4.399
UL http://dx.doi.org/10.1001/jama.282.4.399
AB