RT Journal
T1 SPecialty abstracts
JF JAMA
JO JAMA
YR 1989
FD April 28
VO 261
IS 16
SP 2334
OP 2353
DO 10.1001/jama.1989.03420160058027
UL http://dx.doi.org/10.1001/jama.1989.03420160058027
AB