RT Journal
T1 THe cover
JF JAMA
JO JAMA
YR 1989
FD January 13
VO 261
IS 2
SP 184
OP 184
DO 10.1001/jama.1989.03420020010001
UL http://dx.doi.org/10.1001/jama.1989.03420020010001
AB