RT Journal
T1 SPecialty abstracts
JF JAMA
JO JAMA
YR 1989
FD June 23
VO 261
IS 24
SP 3535
OP 3544
DO 10.1001/jama.1989.03420240043010
UL http://dx.doi.org/10.1001/jama.1989.03420240043010
AB