RT Journal
T1 SPecialty abstracts
JF JAMA
JO JAMA
YR 1989
FD February 24
VO 261
IS 8
SP 1134
OP 1143
DO 10.1001/jama.1989.03420080048013
UL http://dx.doi.org/10.1001/jama.1989.03420080048013
AB