RT Journal
T1 DOmestic abstracts
JF JAMA
JO JAMA
YR 1989
FD February 3
VO 261
IS 5
SP 755
OP 763
DO 10.1001/jama.1989.03420050105052
UL http://dx.doi.org/10.1001/jama.1989.03420050105052
AB